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Nunes M, Bartosch C, Abreu MH, Richardson A, Almeida R, Ricardo S. Deciphering the Molecular Mechanisms behind Drug Resistance in Ovarian Cancer to Unlock Efficient Treatment Options. Cells 2024; 13:786. [PMID: 38727322 PMCID: PMC11083313 DOI: 10.3390/cells13090786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Accepted: 05/01/2024] [Indexed: 05/13/2024] Open
Abstract
Ovarian cancer is a highly lethal form of gynecological cancer. This disease often goes undetected until advanced stages, resulting in high morbidity and mortality rates. Unfortunately, many patients experience relapse and succumb to the disease due to the emergence of drug resistance that significantly limits the effectiveness of currently available oncological treatments. Here, we discuss the molecular mechanisms responsible for resistance to carboplatin, paclitaxel, polyadenosine diphosphate ribose polymerase inhibitors, and bevacizumab in ovarian cancer. We present a detailed analysis of the most extensively investigated resistance mechanisms, including drug inactivation, drug target alterations, enhanced drug efflux pumps, increased DNA damage repair capacity, and reduced drug absorption/accumulation. The in-depth understanding of the molecular mechanisms associated with drug resistance is crucial to unveil new biomarkers capable of predicting and monitoring the kinetics during disease progression and discovering new therapeutic targets.
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Affiliation(s)
- Mariana Nunes
- Differentiation and Cancer Group, Institute for Research and Innovation in Health (i3S), University of Porto, 4200-135 Porto, Portugal; (M.N.); (R.A.)
- Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - Carla Bartosch
- Porto Comprehensive Cancer Center Raquel Seruca (PCCC), Portuguese Oncology Institute of Porto (IPO-Porto), 4200-072 Porto, Portugal; (C.B.); (M.H.A.)
- Department of Pathology, Portuguese Oncology Institute of Porto (IPO-Porto), 4200-072 Porto, Portugal
- Cancer Biology & Epigenetics Group, Research Center of Portuguese Oncology Institute of Porto (CI-IPO-Porto), Health Research Network (RISE@CI-IPO-Porto), Portuguese Oncology Institute of Porto (IPO-Porto), 4200-072 Porto, Portugal
| | - Miguel Henriques Abreu
- Porto Comprehensive Cancer Center Raquel Seruca (PCCC), Portuguese Oncology Institute of Porto (IPO-Porto), 4200-072 Porto, Portugal; (C.B.); (M.H.A.)
- Department of Medical Oncology, Portuguese Oncology Institute of Porto (IPO-Porto), 4200-072 Porto, Portugal
| | - Alan Richardson
- The School of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Thornburrow Drive, Stoke-on-Trent ST4 7QB, Staffordshire, UK;
| | - Raquel Almeida
- Differentiation and Cancer Group, Institute for Research and Innovation in Health (i3S), University of Porto, 4200-135 Porto, Portugal; (M.N.); (R.A.)
- Biology Department, Faculty of Sciences, University of Porto (FCUP), 4169-007 Porto, Portugal
- Associate Laboratory i4HB, Institute for Health and Bioeconomy, University Institute of Health Sciences—CESPU, 4585-116 Gandra, Portugal
| | - Sara Ricardo
- Differentiation and Cancer Group, Institute for Research and Innovation in Health (i3S), University of Porto, 4200-135 Porto, Portugal; (M.N.); (R.A.)
- Associate Laboratory i4HB, Institute for Health and Bioeconomy, University Institute of Health Sciences—CESPU, 4585-116 Gandra, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Toxicologic Pathology Research Laboratory, University Institute of Health Sciences (1H-TOXRUN, IUCS-CESPU), 4585-116 Gandra, Portugal
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2
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Supruniuk E, Baczewska M, Żebrowska E, Maciejczyk M, Lauko KK, Dajnowicz-Brzezik P, Milewska P, Knapp P, Zalewska A, Chabowski A. Redox Biomarkers and Matrix Remodeling Molecules in Ovarian Cancer. Antioxidants (Basel) 2024; 13:200. [PMID: 38397798 PMCID: PMC10885995 DOI: 10.3390/antiox13020200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/24/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024] Open
Abstract
Ovarian cancer (OC) has emerged as the leading cause of death due to gynecological malignancies among women. Oxidative stress and metalloproteinases (MMPs) have been shown to influence signaling pathways and afflict the progression of carcinogenesis. Therefore, the assessment of matrix-remodeling and oxidative stress intensity can determine the degree of cellular injury and often the severity of redox-mediated chemoresistance. The study group comprised 27 patients with serous OC of which 18% were classified as Federation of Gynecology and Obstetrics (FIGO) stages I/II, while the rest were diagnosed grades III/IV. The control group comprised of 15 ovarian tissue samples. The results were compared with genetic data from The Cancer Genome Atlas. Nitro-oxidative stress, inflammation and apoptosis biomarkers were measured colorimetrically/fluorometrically or via real-time PCR in the primary ovarian tumor and healthy tissue. Stratification of patients according to FIGO stages revealed that high-grade carcinoma exhibited substantial alterations in redox balance, including the accumulation of protein glycoxidation and lipid peroxidation products. TCGA data demonstrated only limited prognostic usefulness of the studied genes. In conclusion, high-grade serous OC is associated with enhanced tissue oxidative/nitrosative stress and macromolecule damage that could not be overridden by the simultaneously augmented measures of antioxidant defense. Therefore, it can be assumed that tumor cells acquire adaptive mechanisms that enable them to withstand the potential toxic effects of elevated reactive oxygen species.
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Affiliation(s)
- Elżbieta Supruniuk
- Department of Physiology, Medical University of Bialystok, Mickiewicza 2C Street, 15-222 Bialystok, Poland; (E.Ż.); (P.D.-B.); (A.C.)
| | - Marta Baczewska
- Department of Gynecology and Gynecological Oncology, Medical University of Bialystok, Marii Skłodowskiej-Curie 24A Street, 15-276 Bialystok, Poland; (M.B.); (P.K.)
| | - Ewa Żebrowska
- Department of Physiology, Medical University of Bialystok, Mickiewicza 2C Street, 15-222 Bialystok, Poland; (E.Ż.); (P.D.-B.); (A.C.)
| | - Mateusz Maciejczyk
- Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, Mickiewicza 2C Street, 15-222 Bialystok, Poland;
| | - Kamil Klaudiusz Lauko
- Students’ Scientific Club ‘Biochemistry of Civilization Diseases’ at the Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, Mickiewicza 2C Street, 15-222 Bialystok, Poland;
| | - Patrycja Dajnowicz-Brzezik
- Department of Physiology, Medical University of Bialystok, Mickiewicza 2C Street, 15-222 Bialystok, Poland; (E.Ż.); (P.D.-B.); (A.C.)
| | - Patrycja Milewska
- Biobank, Medical University of Bialystok, Waszyngtona 13 Street, 15-269 Bialystok, Poland;
| | - Paweł Knapp
- Department of Gynecology and Gynecological Oncology, Medical University of Bialystok, Marii Skłodowskiej-Curie 24A Street, 15-276 Bialystok, Poland; (M.B.); (P.K.)
- University Oncology Center, University Clinical Hospital in Bialystok, Marii Skłodowskiej-Curie 24A Street, 15-276 Bialystok, Poland
| | - Anna Zalewska
- Independent Laboratory of Experimental Dentistry, Medical University of Bialystok, Marii Skłodowskiej-Curie 24A, 15-276 Bialystok, Poland;
| | - Adrian Chabowski
- Department of Physiology, Medical University of Bialystok, Mickiewicza 2C Street, 15-222 Bialystok, Poland; (E.Ż.); (P.D.-B.); (A.C.)
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Morris E, Abreu A, Scordilis SP. Effect of Tamoxifen on Proteome Expression during In Vitro Myogenesis in Murine Skeletal Muscle C 2C 12 Cells. J Proteome Res 2023; 22:3040-3053. [PMID: 37552804 PMCID: PMC10476267 DOI: 10.1021/acs.jproteome.3c00340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Indexed: 08/10/2023]
Abstract
Tamoxifen (TMX), a selective estrogen receptor modulator, is commonly used in the treatment of hormone-responsive cancers. However, the effects of TMX in anabolic tissues harboring estrogen receptors, such as skeletal muscle, are poorly understood. We report a tandem mass-tag approach to TMX-treated myogenesis in C2C12 cells, a well-characterized model of in vitro murine skeletal muscle differentiation. A longitudinal analysis of >10,000 proteins identified in untreated C2C12 myogenesis revealed a novel subset of 1,062 myogenically regulated proteins. These proteins clustered into five distinct longitudinal expression trends which significantly overlap those obtained in similar analyses performed in human myocytes. We document a specific functional enrichment for adiponectin-signaling unique to TMX-treated myogenesis, as well as a subset of 198 proteins that are differentially expressed in TMX-treated cells relative to controls at one or more stages of myogenesis, the majority of which were involved in steroid and lipid metabolism. Further analysis highlights metallothionein-1 as a novel target of TMX treatment at each stage of C2C12 myogenesis. Finally, we present a powerful, self-validating pipeline for analyzing the total proteomic response to in vitro treatment across every stage of muscle cell development which can be easily adapted to study the effects of other drugs on myogenesis.
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Affiliation(s)
- Emily
A. Morris
- Department
of Microbiology and Immunology, Geisel School
of Medicine at Dartmouth, Borwell Building 644E, Lebanon, New Hampshire 03756, United States
| | - Ahlenne Abreu
- Department
of Cancer Biology, Perelman School of Medicine,
University of Pennsylvania Medical School, 421 Curie Blvd. Room 612 BRB II/III, Philadelphia, Pennsylvania 19104, United States
| | - Stylianos P. Scordilis
- Department
of Biological Sciences, Smith College, Ford Hall 202 B, Northampton, Massachusetts 01063, United States
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4
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Maharati A, Moghbeli M. Role of microRNAs in regulation of doxorubicin and paclitaxel responses in lung tumor cells. Cell Div 2023; 18:11. [PMID: 37480054 PMCID: PMC10362644 DOI: 10.1186/s13008-023-00093-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 07/19/2023] [Indexed: 07/23/2023] Open
Abstract
Lung cancer as the leading cause of cancer related mortality is always one of the main global health challenges. Despite the recent progresses in therapeutic methods, the mortality rate is still significantly high among lung cancer patients. A wide range of therapeutic methods including chemotherapy, radiotherapy, and surgery are used to treat lung cancer. Doxorubicin (DOX) and Paclitaxel (TXL) are widely used as the first-line chemotherapeutic drugs in lung cancer. However, there is a significant high percentage of DOX/TXL resistance in lung cancer patients, which leads to tumor recurrence and metastasis. Considering, the side effects of these drugs in normal tissues, it is required to clarify the molecular mechanisms of DOX/TXL resistance to introduce the efficient prognostic and therapeutic markers in lung cancer. MicroRNAs (miRNAs) have key roles in regulation of different pathophysiological processes including cell division, apoptosis, migration, and drug resistance. MiRNA deregulations are widely associated with chemo resistance in various cancers. Therefore, considering the importance of miRNAs in chemotherapy response, in the present review, we discussed the role of miRNAs in regulation of DOX/TXL response in lung cancer patients. It has been reported that miRNAs mainly induced DOX/TXL sensitivity in lung tumor cells by the regulation of signaling pathways, autophagy, transcription factors, and apoptosis. This review can be an effective step in introducing miRNAs as the non-invasive prognostic markers to predict DOX/TXL response in lung cancer patients.
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Affiliation(s)
- Amirhosein Maharati
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Meysam Moghbeli
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Michalczyk K, Kapczuk P, Witczak G, Tousty P, Bosiacki M, Kurzawski M, Chlubek D, Cymbaluk-Płoska A. An Assessment of MT1A (rs11076161), MT2A (rs28366003) and MT1L (rs10636) Gene Polymorphisms and MT2 Concentration in Women with Endometrial Pathologies. Genes (Basel) 2023; 14:genes14030773. [PMID: 36981043 PMCID: PMC10048541 DOI: 10.3390/genes14030773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/13/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
Several studies have indicated a relationship between metallothionein (MT) polymorphisms and the development of different pathologies, including neoplastic diseases. However, no studies thus far have been conducted on the influence of MT polymorphisms and the development of endometrial lesions, including endometrial cancer. This study included 140 patients with normal endometrial tissue, endometrial polyps, uterine myomas and endometrial cancer. The tissue MT2 concentration was determined using the ELISA method. MT1A, MT2A and MT1L polymorphisms were analyzed using TaqMan real-time PCR genotyping assays. We found no statistical difference between the tissue MT2 concentration in patients with EC vs. benign endometrium (p = 0.579). However, tissue MT2 concentration was significantly different between uterine fibromas and normal endometrial tissue samples (p = 0.019). Menopause status did not influence the tissue MT2 concentration (p = 0.282). There were no significant associations between the prevalence of MT1A, MT2A and MT1L polymorphisms and MT2 concentration. The age, menopausal status, and diabetes status of patients were identified as EC risk factors.
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Affiliation(s)
- Kaja Michalczyk
- Department of Gynecological Surgery and Gynecological Oncology of Adults and Adolescents, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Patrycja Kapczuk
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Grzegorz Witczak
- Department of Gynecological Surgery and Gynecological Oncology of Adults and Adolescents, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Piotr Tousty
- Department of Obstetrics and Gynecology, Pomeranian Medical University, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Mateusz Bosiacki
- Department of Functional Diagnostics and Physical Medicine, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Mateusz Kurzawski
- Department of Experimental and Clinical Pharmacology, Pomeranian Medical University in Szczecin, Powstancow Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Aneta Cymbaluk-Płoska
- Department of Reconstructive Surgery and Gynecological Oncology, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
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Noriega-Rivera R, Rivera-Serrano M, Rabelo-Fernandez RJ, Pérez-Santiago J, Valiyeva F, Vivas-Mejía PE. Upregulation of the Long Noncoding RNA CASC10 Promotes Cisplatin Resistance in High-Grade Serous Ovarian Cancer. Int J Mol Sci 2022; 23:7737. [PMID: 35887085 PMCID: PMC9318856 DOI: 10.3390/ijms23147737] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/09/2022] [Accepted: 07/11/2022] [Indexed: 02/05/2023] Open
Abstract
Despite initial responses to first-line treatment with platinum and taxane-based combination chemotherapy, most high-grade serous ovarian carcinoma (HGSOC) patients will relapse and eventually develop a cisplatin-resistant fatal disease. Due to the lethality of this disease, there is an urgent need to develop improved targeted therapies against HGSOC. Herein, we identified CASC10, a long noncoding RNA upregulated in cisplatin-resistant ovarian cancer cells and ovarian cancer patients. We performed RNA sequencing (RNA-seq) in total RNA isolated from the HGSOC cell lines OVCAR3 and OV-90 and their cisplatin-resistant counterparts. Thousands of RNA transcripts were differentially abundant in cisplatin-sensitive vs. cisplatin-resistant HGSOC cells. Further data filtering unveiled CASC10 as one of the top RNA transcripts significantly increased in cisplatin-resistant compared with cisplatin-sensitive cells. Thus, we focused our studies on CASC10, a gene not previously studied in ovarian cancer. SiRNA-mediated CASC10 knockdown significantly reduced cell proliferation and invasion; and sensitized cells to cisplatin treatment. SiRNA-mediated CASC10 knockdown also induced apoptosis, cell cycle arrest, and altered the expression of several CASC10 downstream effectors. Multiple injections of liposomal CASC10-siRNA reduced tumor growth and metastasis in an ovarian cancer mouse model. Our results demonstrated that CASC10 levels mediate the susceptibility of HGSOC cells to cisplatin treatment. Thus, combining siRNA-mediated CASC10 knockdown with cisplatin may represent a plausible therapeutic strategy against HGSOC.
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Affiliation(s)
- Ricardo Noriega-Rivera
- Department of Biochemistry, Medical Sciences Campus, University of Puerto Rico, San Juan, PR 00936, USA;
- Comprehensive Cancer Center, Medical Sciences Campus, University of Puerto Rico, San Juan, PR 00936, USA; (M.R.-S.); (R.J.R.-F.); (J.P.-S.); (F.V.)
| | - Mariela Rivera-Serrano
- Comprehensive Cancer Center, Medical Sciences Campus, University of Puerto Rico, San Juan, PR 00936, USA; (M.R.-S.); (R.J.R.-F.); (J.P.-S.); (F.V.)
- Department of Biology, Rio Piedras Campus, University of Puerto Rico, San Juan, PR 00931, USA
| | - Robert J. Rabelo-Fernandez
- Comprehensive Cancer Center, Medical Sciences Campus, University of Puerto Rico, San Juan, PR 00936, USA; (M.R.-S.); (R.J.R.-F.); (J.P.-S.); (F.V.)
- Department of Biology, Rio Piedras Campus, University of Puerto Rico, San Juan, PR 00931, USA
| | - Josué Pérez-Santiago
- Comprehensive Cancer Center, Medical Sciences Campus, University of Puerto Rico, San Juan, PR 00936, USA; (M.R.-S.); (R.J.R.-F.); (J.P.-S.); (F.V.)
- School of Dental Medicine, Medical Sciences Campus, University of Puerto Rico, San Juan, PR 00936, USA
| | - Fatima Valiyeva
- Comprehensive Cancer Center, Medical Sciences Campus, University of Puerto Rico, San Juan, PR 00936, USA; (M.R.-S.); (R.J.R.-F.); (J.P.-S.); (F.V.)
| | - Pablo E. Vivas-Mejía
- Department of Biochemistry, Medical Sciences Campus, University of Puerto Rico, San Juan, PR 00936, USA;
- Comprehensive Cancer Center, Medical Sciences Campus, University of Puerto Rico, San Juan, PR 00936, USA; (M.R.-S.); (R.J.R.-F.); (J.P.-S.); (F.V.)
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7
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Therapeutic strategies to overcome cisplatin resistance in ovarian cancer. Eur J Med Chem 2022; 232:114205. [DOI: 10.1016/j.ejmech.2022.114205] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 02/12/2022] [Accepted: 02/14/2022] [Indexed: 12/15/2022]
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The Profile of MicroRNA Expression and Potential Role in the Regulation of Drug-Resistant Genes in Cisplatin- and Paclitaxel-Resistant Ovarian Cancer Cell Lines. Int J Mol Sci 2022; 23:ijms23010526. [PMID: 35008952 PMCID: PMC8745655 DOI: 10.3390/ijms23010526] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/23/2021] [Accepted: 12/30/2021] [Indexed: 02/06/2023] Open
Abstract
Ovarian cancer is the most lethal gynecological malignancy. The high mortality results from late diagnosis and the development of drug resistance. Drug resistance results from changes in the expression of different drug-resistance genes that may be regulated miRNA. The main aim of our study was to detect changes in miRNA expression levels in two cisplatin (CIS) and two paclitaxel (PAC)—resistant variants of the A2780 drug-sensitive ovarian cancer cell line—by miRNA microarray. The next goal was to identify miRNAs responsible for the regulation of drug-resistance genes. We observed changes in the expression of 46 miRNA that may be related to drug resistance. The overexpression of miR-125b-5p, miR-99a-5p, miR-296-3p, and miR-887-3p and downregulation of miR-218-5p, miR-221-3p, and miR-222-3p was observed in both CIS-resistant cell lines. In both PAC-resistant cell lines, we observed the upregulation of miR-221-3p, miR-222-3p, and miR-4485, and decreased expression of miR-551b-3p, miR-551b-5p, and miR-218-5p. Analysis of targets suggest that expression of important drug-resistant genes like protein Tyrosine Phosphatase Receptor Type K (PTPRK), receptor tyrosine kinase—EPHA7, Semaphorin 3A (SEMA3A), or the ATP-binding cassette subfamily B member 1 gene (ABCB1) can be regulated by miRNA.
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Lusk H, Burdette JE, Sanchez LM. Models for measuring metabolic chemical changes in the metastasis of high grade serous ovarian cancer: fallopian tube, ovary, and omentum. Mol Omics 2021; 17:819-832. [PMID: 34338690 PMCID: PMC8649074 DOI: 10.1039/d1mo00074h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Ovarian cancer (OC) is the most lethal gynecologic malignancy and high grade serous ovarian cancer (HGSOC) is the most common and deadly subtype, accounting for 70-80% of OC deaths. HGSOC has a distinct pattern of metastasis as many believe it originates in the fallopian tube and then it metastasizes first to the ovary, and later to the adipose-rich omentum. Metabolomics has been heavily utilized to investigate metabolite changes in HGSOC tumors and metastasis. Generally, metabolomics studies have traditionally been applied to biospecimens from patients or animal models; a number of recent studies have combined metabolomics with innovative cell-culture techniques to model the HGSOC metastatic microenvironment for the investigation of cell-to-cell communication. The purpose of this review is to serve as a tool for researchers aiming to model the metastasis of HGSOC for metabolomics analyses. It will provide a comprehensive overview of current knowledge on the origin and pattern of metastasis of HGSOC and discuss the advantages and limitations of different model systems to help investigators choose the best model for their research goals, with a special emphasis on compatibility with different metabolomics modalities. It will also examine what is presently known about the role of small molecules in the origin and metastasis of HGSOC.
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Affiliation(s)
- Hannah Lusk
- Department of Chemistry and Biochemistry, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA, 95064, USA.
| | - Joanna E Burdette
- Department of Pharmaceutical Sciences, University of Illinois at Chicago, 900 S Ashland Ave., Chicago, IL, 60607, USA
| | - Laura M Sanchez
- Department of Chemistry and Biochemistry, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA, 95064, USA.
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Inoue Y, Fukuda T, Nanno S, Awazu Y, Shimomura M, Matsubara H, Yamauchi M, Yasui T, Sumi T. T-box 2 expression is a useful indicator of the response to neoadjuvant chemotherapy for patients with locally advanced uterine cervical squamous cell carcinoma. Oncol Lett 2021; 22:755. [PMID: 34539859 PMCID: PMC8436333 DOI: 10.3892/ol.2021.13016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 08/06/2021] [Indexed: 11/21/2022] Open
Abstract
Platinum-based concurrent chemoradiotherapy is the standard treatment for patients with locally advanced uterine cervical squamous cell carcinoma. Reducing the tumor size by administering neoadjuvant chemotherapy (NAC) is beneficial for successful hysterectomy, resulting in a more favorable prognosis. Therefore, identifying biomarkers that predict the effectiveness of NAC in patients with cervical squamous cell carcinoma remains a priority. Cancer cells widely express T-box 2 (TBX2), which contributes to the resistance to DNA-damaging chemotherapeutic agents. The present study aimed to determine the association between TBX2 protein expression in tumor tissues and the efficacy of NAC in locally advanced uterine cervical squamous cell carcinoma using immunohistochemistry. Data from 46 patients with locally advanced uterine cervical squamous cell carcinoma were classified into two groups based on their effective or ineffective response to NAC treatment. In addition, the effect of small interfering RNA-mediated knockdown of TBX2 on the sensitivity of cervical cancer cells to cisplatin was investigated in vitro. The results revealed that there were no significant differences in patient clinicopathological features between the NAC effective and NAC ineffective groups. The overall survival of the NAC effective group was significantly improved compared with the NAC ineffective group (P=0.007). Tumors from the NAC effective group also had significantly downregulated TBX2 expression levels compared with those from the NAC ineffective group (P=0.0138). Of note, decreased TBX2 expression was indicated to be significantly associated with higher sensitivity to NAC (P=0.009). The low TBX2 expression group had a more favorable overall survival compared with the high TBX2 expression group (P=0.049). Furthermore, knockdown of TBX2 expression significantly increased cancer cell sensitivity to cisplatin in vitro. In conclusion, the results of the present study suggested that TBX2 expression may be a useful predictor of the response to NAC in patients with locally advanced uterine cervical squamous cell carcinoma.
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Affiliation(s)
- Yuta Inoue
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Takeshi Fukuda
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Shigenori Nanno
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Yuichiro Awazu
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Masahiro Shimomura
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Hiroaki Matsubara
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Makoto Yamauchi
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Tomoyo Yasui
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Toshiyuki Sumi
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
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Calaf GM, Crispin LA, Roy D, Aguayo F, Muñoz JP, Bleak TC. Gene Signatures Induced by Ionizing Radiation as Prognostic Tools in an In Vitro Experimental Breast Cancer Model. Cancers (Basel) 2021; 13:4571. [PMID: 34572798 PMCID: PMC8465284 DOI: 10.3390/cancers13184571] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/02/2021] [Accepted: 09/07/2021] [Indexed: 11/16/2022] Open
Abstract
This study aimed to analyze the expression of genes involved in radiation, using an Affymetrix system with an in vitro experimental breast cancer model developed by the combined treatment of low doses of high linear energy transfer (LET) radiation α particle radiation and estrogen yielding different stages in a malignantly transformed breast cancer cell model called Alpha model. Altered expression of different molecules was detected in the non-tumorigenic Alpha3, a malignant cell line transformed only by radiation and originally derived from the parental MCF-10F human cell line; that was compared with the Alpha 5 cell line, another cell line exposed to radiation and subsequently grown in the presence 17β-estradiol. This Alpha5, a tumorigenic cell line, originated the Tumor2 cell line. It can be summarized that the Alpha 3 cell line was characterized by greater gene expression of ATM and IL7R than control, Alpha5, and Tumor2 cell lines, it presented higher selenoprotein gene expression than control and Tumor2; epsin 3 gene expression was higher than control; stefin A gene expression was higher than Alpha5; and metallothionein was higher than control and Tumor2 cell line. Therefore, radiation, independently of estrogen, induced increased ATM, IL7R, selenoprotein, GABA receptor, epsin, stefin, and metallothioneins gene expression in comparison with the control. Results showed important findings of genes involved in cancers of the breast, lung, nervous system, and others. Most genes analyzed in these studies can be used for new prognostic tools and future therapies since they affect cancer progression and metastasis. Most of all, it was revealed that in the Alpha model, a breast cancer model developed by the authors, the cell line transformed only by radiation, independently of estrogen, was characterized by greater gene expression than other cell lines. Understanding the effect of radiotherapy in different cells will help us improve the clinical outcome of radiotherapies. Thus, gene signature has been demonstrated to be specific to tumor types, hence cell-dependency must be considered in future treatment planning. Molecular and clinical features affect the results of radiotherapy. Thus, using gene technology and molecular information is possible to improve therapies and reduction of side effects while providing new insights into breast cancer-related fields.
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Affiliation(s)
- Gloria M. Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
- Center for Radiological Research, Columbia University Medical Center, New York, NY 10032, USA
| | - Leodan A. Crispin
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
| | - Debasish Roy
- Department of Natural Sciences, Hostos College of the City University of New York, Bronx, NY 10451, USA;
| | - Francisco Aguayo
- Laboratorio Oncovirología, Programa de Virología, Facultad de Medicina, Instituto de Ciencias Biomédicas, Universidad de Chile, Santiago 8380000, Chile;
| | - Juan P. Muñoz
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
| | - Tammy C. Bleak
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
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12
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Maung MT, Carlson A, Olea-Flores M, Elkhadragy L, Schachtschneider KM, Navarro-Tito N, Padilla-Benavides T. The molecular and cellular basis of copper dysregulation and its relationship with human pathologies. FASEB J 2021; 35:e21810. [PMID: 34390520 DOI: 10.1096/fj.202100273rr] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 06/23/2021] [Accepted: 07/07/2021] [Indexed: 12/16/2022]
Abstract
Copper (Cu) is an essential micronutrient required for the activity of redox-active enzymes involved in critical metabolic reactions, signaling pathways, and biological functions. Transporters and chaperones control Cu ion levels and bioavailability to ensure proper subcellular and systemic Cu distribution. Intensive research has focused on understanding how mammalian cells maintain Cu homeostasis, and how molecular signals coordinate Cu acquisition and storage within organs. In humans, mutations of genes that regulate Cu homeostasis or facilitate interactions with Cu ions lead to numerous pathologic conditions. Malfunctions of the Cu+ -transporting ATPases ATP7A and ATP7B cause Menkes disease and Wilson disease, respectively. Additionally, defects in the mitochondrial and cellular distributions and homeostasis of Cu lead to severe neurodegenerative conditions, mitochondrial myopathies, and metabolic diseases. Cu has a dual nature in carcinogenesis as a promotor of tumor growth and an inducer of redox stress in cancer cells. Cu also plays role in cancer treatment as a component of drugs and a regulator of drug sensitivity and uptake. In this review, we provide an overview of the current knowledge of Cu metabolism and transport and its relation to various human pathologies.
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Affiliation(s)
- May T Maung
- Department of Molecular Biology and Biochemistry, Wesleyan University, Middletown, CT, USA
| | - Alyssa Carlson
- Department of Molecular Biology and Biochemistry, Wesleyan University, Middletown, CT, USA
| | - Monserrat Olea-Flores
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Guerrero, Mexico
| | - Lobna Elkhadragy
- Department of Radiology, University of Illinois at Chicago, Chicago, IL, USA
| | - Kyle M Schachtschneider
- Department of Radiology, University of Illinois at Chicago, Chicago, IL, USA.,Department of Biochemistry & Molecular Genetics, University of Illinois at Chicago, Chicago, IL, USA.,National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Napoleon Navarro-Tito
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Guerrero, Mexico
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13
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Valente A, Podolski-Renić A, Poetsch I, Filipović N, López Ó, Turel I, Heffeter P. Metal- and metalloid-based compounds to target and reverse cancer multidrug resistance. Drug Resist Updat 2021; 58:100778. [PMID: 34403910 DOI: 10.1016/j.drup.2021.100778] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/18/2021] [Accepted: 08/03/2021] [Indexed: 12/19/2022]
Abstract
Drug resistance remains the major cause of cancer treatment failure especially at the late stage of the disease. However, based on their versatile chemistry, metal and metalloid compounds offer the possibility to design fine-tuned drugs to circumvent and even specifically target drug-resistant cancer cells. Based on the paramount importance of platinum drugs in the clinics, two main areas of drug resistance reversal strategies exist: overcoming resistance to platinum drugs as well as multidrug resistance based on ABC efflux pumps. The current review provides an overview of both aspects of drug design and discusses the open questions in the field. The areas of drug resistance covered in this article involve: 1) Altered expression of proteins involved in metal uptake, efflux or intracellular distribution, 2) Enhanced drug efflux via ABC transporters, 3) Altered metabolism in drug-resistant cancer cells, 4) Altered thiol or redox homeostasis, 5) Altered DNA damage recognition and enhanced DNA damage repair, 6) Impaired induction of apoptosis and 7) Altered interaction with the immune system. This review represents the first collection of metal (including platinum, ruthenium, iridium, gold, and copper) and metalloid drugs (e.g. arsenic and selenium) which demonstrated drug resistance reversal activity. A special focus is on compounds characterized by collateral sensitivity of ABC transporter-overexpressing cancer cells. Through this approach, we wish to draw the attention to open research questions in the field. Future investigations are warranted to obtain more insights into the mechanisms of action of the most potent compounds which target specific modalities of drug resistance.
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Affiliation(s)
- Andreia Valente
- Centro de Química Estrutural and Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa, Portugal
| | - Ana Podolski-Renić
- Department of Neurobiology, Institute for Biological Research "Siniša Stanković" - National Institute of Republic of Serbia, University of Belgrade, Serbia
| | - Isabella Poetsch
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Nenad Filipović
- Department of Chemistry and Biochemistry, Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
| | - Óscar López
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, Sevilla, Spain
| | - Iztok Turel
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia
| | - Petra Heffeter
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
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14
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Maghsoudi S, Taghavi Shahraki B, Rabiee N, Fatahi Y, Dinarvand R, Tavakolizadeh M, Ahmadi S, Rabiee M, Bagherzadeh M, Pourjavadi A, Farhadnejad H, Tahriri M, Webster TJ, Tayebi L. Burgeoning Polymer Nano Blends for Improved Controlled Drug Release: A Review. Int J Nanomedicine 2020; 15:4363-4392. [PMID: 32606683 PMCID: PMC7314622 DOI: 10.2147/ijn.s252237] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/01/2020] [Indexed: 12/12/2022] Open
Abstract
With continual rapid developments in the biomedical field and understanding of the important mechanisms and pharmacokinetics of biological molecules, controlled drug delivery systems (CDDSs) have been at the forefront over conventional drug delivery systems. Over the past several years, scientists have placed boundless energy and time into exploiting a wide variety of excipients, particularly diverse polymers, both natural and synthetic. More recently, the development of nano polymer blends has achieved noteworthy attention due to their amazing properties, such as biocompatibility, biodegradability and more importantly, their pivotal role in controlled and sustained drug release in vitro and in vivo. These compounds come with a number of effective benefits for improving problems of targeted or controlled drug and gene delivery systems; thus, they have been extensively used in medical and pharmaceutical applications. Additionally, they are quite attractive for wound dressings, textiles, tissue engineering, and biomedical prostheses. In this sense, some important and workable natural polymers (namely, chitosan (CS), starch and cellulose) and some applicable synthetic ones (such as poly-lactic-co-glycolic acid (PLGA), poly(lactic acid) (PLA) and poly-glycolic acid (PGA)) have played an indispensable role over the last two decades for their therapeutic effects owing to their appealing and renewable biological properties. According to our data, this is the first review article highlighting CDDSs composed of diverse natural and synthetic nano biopolymers, blended for biological purposes, mostly over the past five years; other reviews have just briefly mentioned the use of such blended polymers. We, additionally, try to make comparisons between various nano blending systems in terms of improved sustained and controlled drug release behavior.
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Affiliation(s)
- Saeid Maghsoudi
- Department of Medicinal Chemistry, Shiraz University of Technology, Shiraz, Iran
| | | | - Navid Rabiee
- Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | - Yousef Fatahi
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Rassoul Dinarvand
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Tavakolizadeh
- Polymer Research Laboratory, Department of Chemistry, Sharif University of Technology, Tehran11365-9516, Iran
| | - Sepideh Ahmadi
- Student Research Committee, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Rabiee
- Biomaterial Group, Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | | | - Ali Pourjavadi
- Polymer Research Laboratory, Department of Chemistry, Sharif University of Technology, Tehran11365-9516, Iran
| | - Hassan Farhadnejad
- Department of Pharmaceutics and Pharmaceutical Nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Thomas J Webster
- Department of Chemical Engineering, Northeastern University, Boston, MA02115, USA
| | - Lobat Tayebi
- School of Dentistry, Marquette University, Milwaukee, WI53233, USA
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15
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Merlos Rodrigo MA, Jimenez Jimemez AM, Haddad Y, Bodoor K, Adam P, Krizkova S, Heger Z, Adam V. Metallothionein isoforms as double agents - Their roles in carcinogenesis, cancer progression and chemoresistance. Drug Resist Updat 2020; 52:100691. [PMID: 32615524 DOI: 10.1016/j.drup.2020.100691] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 02/25/2020] [Accepted: 03/01/2020] [Indexed: 02/06/2023]
Abstract
Metallothioneins (MTs) are small cysteine-rich intracellular proteins with four major isoforms identified in mammals, designated MT-1 through MT-4. The best known biological functions of MTs are their ability to bind and sequester metal ions as well as their active role in redox homeostasis. Despite these protective roles, numerous studies have demonstrated that changes in MT expression could be associated with the process of carcinogenesis and participation in cell differentiation, proliferation, migration, and angiogenesis. Hence, MTs have the role of double agents, i.e., working with and against cancer. In view of their rich biochemical properties, it is not surprising that MTs participate in the emergence of chemoresistance in tumor cells. Many studies have demonstrated that MT overexpression is involved in the acquisition of resistance to anticancer drugs including cisplatin, anthracyclines, tyrosine kinase inhibitors and mitomycin. The evidence is gradually increasing for a cellular switch in MT functions, showing that they indeed have two faces: protector and saboteur. Initially, MTs display anti-oncogenic and protective roles; however, once the oncogenic process was launched, MTs are utilized by cancer cells for progression, survival, and contribution to chemoresistance. The duality of MTs can serve as a potential prognostic/diagnostic biomarker and can therefore pave the way towards the development of new cancer treatment strategies. Herein, we review and discuss MTs as tumor disease markers and describe their role in chemoresistance to distinct anticancer drugs.
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Affiliation(s)
- Miguel Angel Merlos Rodrigo
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic; Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic.
| | - Ana Maria Jimenez Jimemez
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic; Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
| | - Yazan Haddad
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic; Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
| | - Khaldon Bodoor
- Department of Applied Biology, Jordan University of Science and Technology, 3030, Irbid, Jordan
| | - Pavlina Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
| | - Sona Krizkova
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic; Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
| | - Zbynek Heger
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic; Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
| | - Vojtech Adam
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic; Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic.
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16
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Zeng X, Baba T, Hamanishi J, Matsumura N, Kharma B, Mise Y, Abiko K, Yamaguchi K, Horikawa N, Hunstman DG, Mulati K, Kitamura S, Taki M, Murakami R, Hosoe Y, Mandai M. Phosphorylation of STAT1 serine 727 enhances platinum resistance in uterine serous carcinoma. Int J Cancer 2019; 145:1635-1647. [PMID: 31228268 DOI: 10.1002/ijc.32501] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 05/12/2019] [Accepted: 05/24/2019] [Indexed: 11/07/2022]
Abstract
Uterine serous carcinoma (USC) is a highly aggressive histological subtype of endometrial cancers harboring highly metastatic and chemoresistant features. Our previous study showed that STAT1 is highly expressed in USC and acts as a key molecule that is positively correlated with tumor progression, but it remains unclear whether STAT1 is relevant to the malicious chemorefractory nature of USC. In the present study, we investigated the regulatory role of STAT1 toward platinum-cytotoxicity in USC. STAT1 suppression sensitized USC cells to increase cisplatin-mediated apoptosis (p < 0.001). Furthermore, phosphorylation of STAT1 was prominently observed on serine-727 (pSTAT1-Ser727), but not on tyrosine-701, in the nucleus of USC cells treated with cisplatin. Mechanistically, the inhibition of pSTAT1-Ser727 by dominant-negative plasmid elevated cisplatin-mediated apoptosis by increasing intracellular accumulation of cisplatin through upregulation of CTR1 expression. TBB has an inhibitory effect on casein kinase 2 (CK2), which phosphorylate STAT1 at serine residues. Sequential treatment with TBB and cisplatin on USC cells greatly reduced nuclear pSTAT1-Ser727, enhanced intracellular accumulation of cisplatin, and subsequently increased apoptosis. Tumor load was significantly reduced by combination therapy of TBB and cisplatin in in vivo xenograft models (p < 0.001). Our results collectively suggest that pSTAT1-Ser727 may play a key role in platinum resistance as well as tumor progression in USC. Thus, targeting the STAT1 pathway via CK2 inhibitor can be a novel method for attenuating the chemorefractory nature of USC.
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Affiliation(s)
- Xiang Zeng
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Tsukasa Baba
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Department of Obstetrics and Gynecology, Iwate Medical University School of Medicine, Iwate, Japan
| | - Junzo Hamanishi
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Noriomi Matsumura
- Department of Obstetrics and Gynecology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Budiman Kharma
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yuka Mise
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kaoru Abiko
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Ken Yamaguchi
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Naoki Horikawa
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - David G Hunstman
- Department of Pathology and Laboratory Medicine, University of British Columbia, British Columbia Cancer Agency, Vancouver, BC, Canada.,Genetic Pathology Evaluation Centre, Vancouver General Hospital, Vancouver, BC, Canada
| | - Kumuluzi Mulati
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Sachiko Kitamura
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Mana Taki
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Ryusuke Murakami
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yuko Hosoe
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masaki Mandai
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
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17
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Chen SH, Chang JY. New Insights into Mechanisms of Cisplatin Resistance: From Tumor Cell to Microenvironment. Int J Mol Sci 2019; 20:ijms20174136. [PMID: 31450627 PMCID: PMC6747329 DOI: 10.3390/ijms20174136] [Citation(s) in RCA: 239] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 08/20/2019] [Accepted: 08/21/2019] [Indexed: 12/14/2022] Open
Abstract
Although cisplatin has been a pivotal chemotherapy drug in treating patients with various types of cancer for decades, drug resistance has been a major clinical impediment. In general, cisplatin exerts cytotoxic effects in tumor cells mainly through the generation of DNA-platinum adducts and subsequent DNA damage response. Accordingly, considerable effort has been devoted to clarify the resistance mechanisms inside tumor cells, such as decreased drug accumulation, enhanced detoxification activity, promotion of DNA repair capacity, and inactivated cell death signaling. However, recent advances in high-throughput techniques, cell culture platforms, animal models, and analytic methods have also demonstrated that the tumor microenvironment plays a key role in the development of cisplatin resistance. Recent clinical successes in combination treatments with cisplatin and novel agents targeting components in the tumor microenvironment, such as angiogenesis and immune cells, have also supported the therapeutic value of these components in cisplatin resistance. In this review, we summarize resistance mechanisms with respect to a single tumor cell and crucial components in the tumor microenvironment, particularly focusing on favorable results from clinical studies. By compiling emerging evidence from preclinical and clinical studies, this review may provide insights into the development of a novel approach to overcome cisplatin resistance.
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Affiliation(s)
- Shang-Hung Chen
- National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan
- Division of Hematology/Oncology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Jang-Yang Chang
- National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan.
- Division of Hematology/Oncology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan.
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18
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Wang L, Xin F, Lin N, Wang Y, Liu X, Liu J. Metallothioneins may be a potential prognostic biomarker for tumors: A Prisma-compliant meta-analysis. Medicine (Baltimore) 2018; 97:e13786. [PMID: 30593161 PMCID: PMC6314702 DOI: 10.1097/md.0000000000013786] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 11/30/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Metallothioneins (MTs) were reported to be associated with many kinds of tumors' prognosis, although MTs expression varied greatly among tumors. To assess the prognostic value of Metallothioneins (MTs) in different kinds of tumors, comprehensive literature search was conducted to perform a meta-analysis. METHODS Eligible studies were identified by PubMed, MEDLINE, Web of Science (WOS), the Cochrane Library of Systematic Reviews, EMBASE, China National Knowledge Infrastructure (CNKI), WANFANG database and SinoMed database up to December 2017, which was designed to assess the prognostic value of MTs in different kinds of tumors. The main endpoint events were overall survival (OS) and disease-free survival (DFS). Hazard ratios (HRs) and its variance were retrieved from the original studies directly or calculated using Engauge Digitizer version 4.1. Random or fixed effects model meta-analysis was employed depending on the heterogeneity. Publication bias was evaluated by funnel plots, Begg and Egger tests. RESULTS A total of 22 studies were enrolled in this meta-analysis, including 2843 tumor tissues (1517 were MTs negative/low, and 1326 were MTs high). Results showed that there was significant association between MTs expression and tumors' OS (HR = 1.60; 95%CI 1.34∼1.92, P < .00001). Subgroup analysis showed that high level of MTs expression was associated with prolonged OS in liver cancer (HR = 0.65, 95%CI 0.48∼0.89, P = .007), but it was on the contrary in the tumor of ovary (HR = 1.47, 95%CI 1.01∼2.14, P = .04), bladder (HR = 1.71, 95%CI 1.21∼2.42, P = .002), intestine (HR = 3.13, 95%CI 1.97∼4.97, P < .00001), kidney (HR = 3.31, 95%CI 1.61∼6.79, P = .001). However, there was no significant association between MTs expression and OS in breast (HR = 1.02, 95%CI 0.69∼1.51, P = .93). CONCLUSIONS MTs could be taken as a potential prognostic biomarker for tumors, and uniqueness of MTs prognostic value in liver cancer deserved further study.
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19
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Wong DL, Stillman MJ. Metallothionein: An Aggressive Scavenger-The Metabolism of Rhodium(II) Tetraacetate (Rh 2(CH 3CO 2) 4). ACS OMEGA 2018; 3:16314-16327. [PMID: 31458267 PMCID: PMC6643557 DOI: 10.1021/acsomega.8b02161] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 11/13/2018] [Indexed: 06/10/2023]
Abstract
Anthropogenic sources of xenobiotic metals with no physiological benefit are increasingly prevalent in the environment. The platinum group metals (Pd, Pt, Rh, Ru, Os, and Ir) are found in marine and plant species near urban sources, and are known to bioaccumulate, introducing these metals into the human food chain. Many of these metals are also being used in innovative cancer therapy, which leads to a direct source of exposure for humans. This paper aims to further our understanding of nontraditional metal metabolism via metallothionein, a protein involved in physiologically important metal homeostasis. The aggressive reaction of metallothionein and dirhodium(II) tetraacetate, a common synthetic catalyst known for its cytotoxicity, was studied in detail in vitro. Optical spectroscopic and equilibrium and time-dependent mass spectral data were used to define binding constants for this robust reaction, and molecular dynamics calculations were conducted to explain the observed results.
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Affiliation(s)
- Daisy L. Wong
- Department of Chemistry, The
University of Western Ontario, 1151 Richmond Street, N6A 5B7 London, Ontario, Canada
| | - Martin J. Stillman
- Department of Chemistry, The
University of Western Ontario, 1151 Richmond Street, N6A 5B7 London, Ontario, Canada
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20
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Abstract
Metallothioneins (MTs) are small cysteine-rich proteins that play important roles in metal homeostasis and protection against heavy metal toxicity, DNA damage, and oxidative stress. In humans, MTs have four main isoforms (MT1, MT2, MT3, and MT4) that are encoded by genes located on chromosome 16q13. MT1 comprises eight known functional (sub)isoforms (MT1A, MT1B, MT1E, MT1F, MT1G, MT1H, MT1M, and MT1X). Emerging evidence shows that MTs play a pivotal role in tumor formation, progression, and drug resistance. However, the expression of MTs is not universal in all human tumors and may depend on the type and differentiation status of tumors, as well as other environmental stimuli or gene mutations. More importantly, the differential expression of particular MT isoforms can be utilized for tumor diagnosis and therapy. This review summarizes the recent knowledge on the functions and mechanisms of MTs in carcinogenesis and describes the differential expression and regulation of MT isoforms in various malignant tumors. The roles of MTs in tumor growth, differentiation, angiogenesis, metastasis, microenvironment remodeling, immune escape, and drug resistance are also discussed. Finally, this review highlights the potential of MTs as biomarkers for cancer diagnosis and prognosis and introduces some current applications of targeting MT isoforms in cancer therapy. The knowledge on the MTs may provide new insights for treating cancer and bring hope for the elimination of cancer.
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Affiliation(s)
- Manfei Si
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730 China
| | - Jinghe Lang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730 China
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Nunes SC, Serpa J. Glutathione in Ovarian Cancer: A Double-Edged Sword. Int J Mol Sci 2018; 19:ijms19071882. [PMID: 29949936 PMCID: PMC6073569 DOI: 10.3390/ijms19071882] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 06/15/2018] [Accepted: 06/25/2018] [Indexed: 01/21/2023] Open
Abstract
Glutathione (GSH) has several roles in a cell, such as a reactive oxygen species (ROS) scavenger, an intervenient in xenobiotics metabolism and a reservoir of cysteine. All of these activities are important in the maintenance of normal cells homeostasis but can also constitute an advantage for cancer cells, allowing disease progression and resistance to therapy. Ovarian cancer is the major cause of death from gynaecologic disease and the second most common gynaecologic malignancy worldwide. In over 50 years, the overall survival of patients diagnosed with epithelial ovarian cancer has not changed, regardless of the efforts concerning early detection, radical surgery and new therapeutic approaches. Late diagnosis and resistance to therapy are the main causes of this outcome, and GSH is profoundly associated with chemoresistance to platinum salts, which, together with taxane-based chemotherapy and surgery, are the main therapy strategies in ovarian cancer treatment. Herein, we present some insights into the role of GSH in the poor prognosis of ovarian cancer, and also point out how some strategies underlying the dependence of ovarian cancer cells on GSH can be further used to improve the effectiveness of therapy.
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Affiliation(s)
- Sofia C Nunes
- Centro de Estudos de Doenças Crónicas (CEDOC), NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Campo Mártires da Pátria 130, 1169-056 Lisboa, Portugal.
- Unidade de Investigação em Patobiologia Molecular do Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof. Lima Basto, 1099-023 Lisboa, Portugal.
| | - Jacinta Serpa
- Centro de Estudos de Doenças Crónicas (CEDOC), NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Campo Mártires da Pátria 130, 1169-056 Lisboa, Portugal.
- Unidade de Investigação em Patobiologia Molecular do Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof. Lima Basto, 1099-023 Lisboa, Portugal.
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Świerczewska M, Klejewski A, Wojtowicz K, Brązert M, Iżycki D, Nowicki M, Zabel M, Januchowski R. New and Old Genes Associated with Primary and Established Responses to Cisplatin and Topotecan Treatment in Ovarian Cancer Cell Lines. Molecules 2017; 22:molecules22101717. [PMID: 29027969 PMCID: PMC6151558 DOI: 10.3390/molecules22101717] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 09/29/2017] [Accepted: 10/06/2017] [Indexed: 02/07/2023] Open
Abstract
Low efficiency of chemotherapy in ovarian cancer results from the development of drug resistance. Cisplatin (CIS) and topotecan (TOP) are drugs used in chemotherapy of this cancer. We analyzed the development of CIS and TOP resistance in ovarian cancer cell lines. Incubation of drug sensitive cell lines (W1 and A2780) with cytostatic drugs was used to determine the primary response to CIS and TOP. Quantitative polymerase chain reaction (Q-PCR) was performed to measure the expression levels of the genes. We observed decreased expression of the MCTP1 gene in all resistant cell lines. We observed overexpression of the S100A3 and HERC5 genes in TOP-resistant cell lines. Increased expression of the S100A3 gene was also observed in CIS-resistant A2780 sublines. Overexpression of the C4orf18 gene was observed in CIS- and TOP-resistant A2780 sublines. A short time of exposure to CIS led to increased expression of the ABCC2 gene in the W1 and A2780 cell lines and increased expression of the C4orf18 gene in the A2780 cell line. A short time of exposure to TOP led to increased expression of the S100A3 and HERC5 genes in both sensitive cell lines, increased expression of the C4orf18 gene in the A2780 cell line and downregulation of the MCTP1 gene in the W1 cell line. Our results suggest that changes in expression of the MCTP1, S100A3 and C4orf18 genes may be related to both CIS and TOP resistance. Increased expression of the HERC5 gene seems to be important only in TOP resistance.
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Affiliation(s)
- Monika Świerczewska
- Department of Histology and Embryology, Poznan University of Medical Sciences, Święcickiego 6 St., 61-781 Poznań, Poland.
| | - Andrzej Klejewski
- Department of Nursing, Poznan University of Medical Sciences, Smoluchowskiego 11 St., 60-179 Poznan, Poland.
- Department of Obstetrics and Womens Diseases, Poznan University of Medical Sciences, Smoluchowskiego 11 St., 60-179 Poznan, Poland.
| | - Karolina Wojtowicz
- Department of Histology and Embryology, Poznan University of Medical Sciences, Święcickiego 6 St., 61-781 Poznań, Poland.
| | - Maciej Brązert
- Division of Infertility and Reproductive Endocrinology, Department of Gynecology, Obstetrics and Gynecological Oncology, Poznan University of Medical Sciences, Polna 33 St., 60-535 Poznań, Poland.
| | - Dariusz Iżycki
- Department of Cancer Immunology, Poznan University of Medical Sciences, Poland, Garbary 15 St., 61-866 Poznań, Poland.
| | - Michał Nowicki
- Department of Histology and Embryology, Poznan University of Medical Sciences, Święcickiego 6 St., 61-781 Poznań, Poland.
| | - Maciej Zabel
- Department of Histology and Embryology, Poznan University of Medical Sciences, Święcickiego 6 St., 61-781 Poznań, Poland.
- Division of Histology and Embryology, Wrocław Medical University, Chałubińskiego 6a, 50-368 Wrocław, Poland.
| | - Radosław Januchowski
- Department of Histology and Embryology, Poznan University of Medical Sciences, Święcickiego 6 St., 61-781 Poznań, Poland.
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Januchowski R, Sterzyńska K, Zawierucha P, Ruciński M, Świerczewska M, Partyka M, Bednarek-Rajewska K, Brązert M, Nowicki M, Zabel M, Klejewski A. Microarray-based detection and expression analysis of new genes associated with drug resistance in ovarian cancer cell lines. Oncotarget 2017; 8:49944-49958. [PMID: 28611294 PMCID: PMC5564819 DOI: 10.18632/oncotarget.18278] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 04/24/2017] [Indexed: 12/24/2022] Open
Abstract
PURPOSE The present study is to discover a new genes associated with drug resistance development in ovarian cancer. METHODS We used microarray analysis to determine alterations in the level of expression of genes in cisplatin- (CisPt), doxorubicin- (Dox), topotecan- (Top), and paclitaxel- (Pac) resistant variants of W1 and A2780 ovarian cancer cell lines. Immunohistochemistry assay was used to determine protein expression in ovarian cancer patients. RESULTS We observed alterations in the expression of 22 genes that were common to all three cell lines that were resistant to the same cytostatic drug. The level of expression of 13 genes was upregulated and that of nine genes was downregulated. In the CisPt-resistant cell line, we observed downregulated expression of ABCC6, BST2, ERAP2 and MCTP1; in the Pac-resistant cell line, we observe upregulated expression of ABCB1, EPHA7 and RUNDC3B and downregulated expression of LIPG, MCTP1, NSBP1, PCDH9, PTPRK and SEMA3A. The expression levels of three genes, ABCB1, ABCB4 and IFI16, were upregulated in the Dox-resistant cell lines. In the Top-resistant cell lines, we observed increased expression levels of ABCG2, HERC5, IFIH1, MYOT, S100A3, SAMD4A, SPP1 and TGFBI and decreased expression levels of MCTP1 and PTPRK. The expression of EPHA7, IFI16, SPP1 and TGFBI was confirmed at protein level in analyzed ovarian cancer patients.. CONCLUSIONS The expression profiles of the investigated cell lines indicated that new candidate genes are related to the development of resistance to the cytostatic drugs that are used in first- and second-line chemotherapy of ovarian cancer.
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Affiliation(s)
- Radosław Januchowski
- Department of Histology and Embryology, Poznań University of Medical Sciences, Poznań, 60-781, Poland
| | - Karolina Sterzyńska
- Department of Histology and Embryology, Poznań University of Medical Sciences, Poznań, 60-781, Poland
| | - Piotr Zawierucha
- Department of Histology and Embryology, Poznań University of Medical Sciences, Poznań, 60-781, Poland
- Department of Anatomy, Poznań University of Medical Sciences, Poznań, 60-781, Poland
| | - Marcin Ruciński
- Department of Histology and Embryology, Poznań University of Medical Sciences, Poznań, 60-781, Poland
| | - Monika Świerczewska
- Department of Histology and Embryology, Poznań University of Medical Sciences, Poznań, 60-781, Poland
| | - Małgorzata Partyka
- Department of Histology and Embryology, Poznań University of Medical Sciences, Poznań, 60-781, Poland
| | | | - Maciej Brązert
- Division of Infertility and Reproductive Endocrinology, Department of Gynecology, Obstetrics and Gynecological Oncology, Poznań University of Medical Sciences, Poznań, 60-535, Poland
| | - Michał Nowicki
- Department of Histology and Embryology, Poznań University of Medical Sciences, Poznań, 60-781, Poland
| | - Maciej Zabel
- Department of Histology and Embryology, Poznań University of Medical Sciences, Poznań, 60-781, Poland
- Department of Histology and Embryology, Wrocław Medical University, Wrocław, 50-368, Poland
| | - Andrzej Klejewski
- Department of Nursing, Poznań University of Medical Sciences, Poznań, 60-179, Poland
- Departament of Obstetrics and Womens Dieseases, Poznań University of Medical Sciences, Poznań, 60-535, Poland
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Visacri MB, Pincinato EDC, Ferrari GB, Quintanilha JCF, Mazzola PG, Lima CSP, Moriel P. Adverse drug reactions and kinetics of cisplatin excretion in urine of patients undergoing cisplatin chemotherapy and radiotherapy for head and neck cancer: a prospective study. ACTA ACUST UNITED AC 2017; 25:12. [PMID: 28438219 PMCID: PMC5404337 DOI: 10.1186/s40199-017-0178-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 04/11/2017] [Indexed: 01/09/2023]
Abstract
Background Cisplatin is a high-potency anticancer agent; however, it causes significant adverse drug reactions (ADRs). Potential pharmacokinetic markers must be studied to predict or prevent cisplatin-induced ADRs and achieve better prognosis. This study was designed to investigate the relationship between ADRs and kinetics of cisplatin excretion in the urine of patients undergoing high-dose cisplatin chemotherapy and radiotherapy for head and neck cancer. Methods Outpatients with head and neck cancer received a first cycle of high-dose cisplatin chemotherapy (80–100 mg/m2) concurrent to radiotherapy. ADRs (haematological, renal, and gastrointestinal reactions) were classified based on severity by National Cancer Institute Common Terminology Criteria for Adverse Events (CTCAE, version 4, grade 0–4). The kinetics of cisplatin excretion in urine was evaluated by high-performance liquid chromatography over three time periods: 0–12, 12–24, and 24–48 h after the administration of cisplatin. Spearman Correlation test and regression analysis were performed to assess the relationship between ADRs and cisplatin excretion in the urine. Results In total, 59 patients with a mean age of 55.6 ± 9.4 years were analysed; most patients were male (86.4%), white (79.7%), and with pharyngeal tumours in advanced stages (66.1%). The most frequently observed ADRs were anaemia (81.4%), lymphopenia (78%), and nausea (64.4%); mostly grades 1 and 2 of toxicity. The mean cisplatin excretion was 70.3 ± 64.4, 7.3 ± 6.3, and 5 ± 4 μg/mg creatinine at 0–12, 12–24, and 24–48 h, respectively. Statistical analysis showed that the amount of cisplatin excreted did not influence the severity of ADRs. Conclusions The most frequent ADRs were anaemia, lymphopenia, and nausea. Grades 1 and 2 were the severities for most ADRs. The period over which the highest cisplatin excretion observed was 0–12 h after chemotherapy, and cisplatin excretion could not predict toxicity. Graphical abstract ![]()
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Affiliation(s)
- Marília Berlofa Visacri
- School of Medical Sciences (FCM), University of Campinas (UNICAMP), Tessália Vieira de Camargo, 126, Cidade Universitária "Zeferino Vaz", Zip Code 13083-887, Campinas, SP, Brazil
| | - Eder de Carvalho Pincinato
- Department of Biological and Health Science Center, Mackenzie Presbyterian University, Rua da Consolação 896, Consolação, Zip Code 01302-907, São Paulo, SP, Brazil
| | - Graziele Baldan Ferrari
- School of Medical Sciences (FCM), University of Campinas (UNICAMP), Tessália Vieira de Camargo, 126, Cidade Universitária "Zeferino Vaz", Zip Code 13083-887, Campinas, SP, Brazil
| | - Júlia Coelho França Quintanilha
- School of Medical Sciences (FCM), University of Campinas (UNICAMP), Tessália Vieira de Camargo, 126, Cidade Universitária "Zeferino Vaz", Zip Code 13083-887, Campinas, SP, Brazil
| | - Priscila Gava Mazzola
- Faculty of Pharmaceutical Sciences (FCF), University of Campinas (UNICAMP), Cândido Portinari, 200, Cidade Universitária "Zeferino Vaz" - Barão Geraldo, Zip Code 13083-871, Campinas, SP, Brazil
| | - Carmen Silvia Passos Lima
- School of Medical Sciences (FCM), University of Campinas (UNICAMP), Tessália Vieira de Camargo, 126, Cidade Universitária "Zeferino Vaz", Zip Code 13083-887, Campinas, SP, Brazil
| | - Patricia Moriel
- Faculty of Pharmaceutical Sciences (FCF), University of Campinas (UNICAMP), Cândido Portinari, 200, Cidade Universitária "Zeferino Vaz" - Barão Geraldo, Zip Code 13083-871, Campinas, SP, Brazil.
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25
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The role of Nrf2 and ATF2 in resistance to platinum-based chemotherapy. Cancer Chemother Pharmacol 2017; 79:369-380. [DOI: 10.1007/s00280-016-3225-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 12/12/2016] [Indexed: 10/20/2022]
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26
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The timing of caffeic acid treatment with cisplatin determines sensitization or resistance of ovarian carcinoma cell lines. Redox Biol 2016; 11:170-175. [PMID: 27951496 PMCID: PMC5153445 DOI: 10.1016/j.redox.2016.12.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 12/02/2016] [Indexed: 12/30/2022] Open
Abstract
Cisplatin is a widely used chemotherapeutic drug showing high efficiency in the treatment of primary tumors such as ovarian, testicular and cervical cancers. The major drawback of cisplatin is tumor resistance either acquired or intrinsic. Many mechanisms are involved in the resistance, among them is the Nrf2 pathway which regulates glutathione related enzymes. Caffeic acid, a non-toxic polyphenol which is abundant in many foods modulates glutathione S-transferase (GST) and glutathione reductase (GSR) activity, these enzymes were shown to be involved in resistance of cells towards cisplatin. Caffeic acid induces the Nrf2 pathway and can also inhibit the activity of GST and GSR. Our findings demonstrate that the co-treatment of cancer cells with cisplatin and caffeic acid can enhance cisplatin cytotoxicity and increases the amount of platinum bound to nuclear DNA. However, 6h of pre incubation with caffeic acid prior to cisplatin treatment led to acquired resistance to cisplatin and reduced DNA binding. In conclusion, the enzyme inhibitory action of caffeic acid is dominant when the two agents are co-administered leading to increased cytotoxicity, and the Nrf2 induction is dominant when the cells are treated with caffeic acid prior to cisplatin treatment leading to resistance. The use of caffeic acid as adjuvant for cisplatin should be carefully examined due to different pharmacokinetic profiles of caffeic acid and cisplatin. Thus, it is questionable if the two agents can reach the tumors at the right time frame in vivo.
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27
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Ostrakhovitch EA, Song YP, Cherian MG. Basal and copper-induced expression of metallothionein isoform 1,2 and 3 genes in epithelial cancer cells: The role of tumor suppressor p53. J Trace Elem Med Biol 2016; 35:18-29. [PMID: 27049123 DOI: 10.1016/j.jtemb.2016.01.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 01/14/2016] [Accepted: 01/14/2016] [Indexed: 12/13/2022]
Abstract
Metallothioneins (MTs) are a ubiquitous low-molecular weight, cysteine rich proteins with a high affinity for metal ions. The expression and induction of MTs have been associated with protection against DNA damage, oxidative stress, and apoptosis. Our past research had shown that p53 is an important factor in metal regulation of MTs. The present study was undertaken to explore further the interrelationship between p53 and MTs. We investigated whether silencing of p53 could affect expression pattern of basal and copper induced metallothioneins. The silencing of wild-type p53 (wt-p53) in epithelial breast cancer MCF7 cells affected the basal level of MT-2A RNA, whereas the levels of MT-1A and MT-1X RNA remained largely unchanged. The expression of MT-3 was undetectable in MCF7 with either functional or silenced p53. MCF7 cells with silenced wt-p53 failed to upregulate MT-2A in response to copper and showed a reduced sensitivity toward copper induced cell apoptotic death. Similarly in MCF7-E6 and MDA-MB-231 cells, the presence of inactive/mutated p53 halted MT-1A and MT-2A gene expression in response to copper. Constitutive expression of MT-3 RNA was detectable in the presence of mutated p53 (mtp53). Transient transfection of MDA-MB-231 cells with wt-p53 enabled copper induced upregulation of both MT-1A and MT-2A but not basal level of MT-2A, MT-1E, MT-1X and MT-3. Inactivation of p53 in HepG2 cells amplified the basal expression of studied MT isoforms, including MT-3, as well as copper-induced mRNA expression of MTs except MT-1H and MT-3. Presented data demonstrate a direct relation between p53 and MT-1A and MT-2A and they also indicate that wt-p53 might be a negative regulator of MT-3 in epithelial cancer cells.
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Affiliation(s)
- E A Ostrakhovitch
- Department of Pathology, University of Western Ontario, Canada; Department of Chemistry, University of Western Ontario, Canada.
| | - Y P Song
- Department of Pathology, University of Western Ontario, Canada; Department of Chemistry, University of Western Ontario, Canada
| | - M G Cherian
- Department of Pathology, University of Western Ontario, Canada; Department of Chemistry, University of Western Ontario, Canada
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28
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Qin L, Qiu H, Zhang M, Zhang F, Yang H, Yang L, Jia L, Qin K, Jia L, Dou X, Cheng L, Sang M, Zhang C, Shan B, Zhang Z. Soluble CD40 ligands sensitize the epithelial ovarian cancer cells to cisplatin treatment. Biomed Pharmacother 2016; 79:166-75. [PMID: 27044825 DOI: 10.1016/j.biopha.2016.01.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 12/18/2015] [Accepted: 01/13/2016] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE CD154 (CD40L) is a protein that is primarily expressed on activated T cells and is a member of the TNF superfamily of molecules. It binds to CD40 on antigen-presenting cells (APC), which leads to many effects depending on the target cell type. Being an activator of immune cells, CD40L has also been shown to directly induce apoptosis in tumor cells by multiple mechanisms. To understand the role of sCD40L in regulating the proliferation of epithelial ovarian cancer cells treated or untreated with cisplatin. METHODS Epithelial ovarian cancer cells: SKOV3 and its cisplatin-resistant strain SKOV3/DDP cells were used to test the effect of sCD40L and cisplatin. The proliferation of SKOV3 and SKOV3/DDP cells were measured by MTT. Cell cycle was assessed by flow cytometry. The mRNA expressions of targeted genes were detected by qRT-PCR. The protein expressions were detected by Western blotting. RESULTS sCD40L showed a significant dose-dependence inhibitory effect on the proliferation of ovarian cancer cell lines. sCD40L in combination with cisplatin could sensitized SKOV3/DDP cells to cisplatin treatment and reversed the drug resistance of SKOV3/DDP cells. The reversal ratios of 1 μg/ml sCD40L combined with cisplatin in SKOV3 and SKOV3/DDP cells were 2.11, 2.71, while the reversal ratios of 2 μg/ml sCD40L combined with cisplatin in SKOV3 and SKOV3/DDP cells were 3.78, 5.20, respectively. sCD40L or sCD40L combined cisplatin increased tumor cells in G0/G1 phase. sCD40L in combination with cisplatin decreased the expression levels of GST-π, LRP, Survivin, p53 and Bcl-2 in both epithelial ovarian cancer cell lines. The protein expression level of GST-π, LRP and P53 protein was also decreased upon sCD40L in combination with cisplatin although the expression level of Bcl-2 and survivin protein had no significant difference. CONCLUSION sCD40L inhibits the proliferation of SKOV3 and SKOV3/DDP cells. The combined application of sCD40L and cisplatin can strength the inhibitory effect of cisplatin, and to a certain extent, reversing the resistance to cisplatin in SKOV3/DDP cells. sCD40L could lead a cell block in G0/G1 phase and make the cell growth restrained. sCD40L could induce SKOV3 and SKOV3/DDP cells apoptosis and reverse drug resistance through cutting GST-π mRNA, LRP mRNA, survivin mRNA, p53 mRNA and Bcl-2 mRNA and decreasing the expression of GST-π, LRP and P53 protein in SKOV3 and SKOV3/DDP cells, which provides in-vivo experiment basis to the application of sCD40L as a drug improving ovarian cancer cells sensitivity to cisplatin.
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Affiliation(s)
- Lijun Qin
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Hongbing Qiu
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China; Department of Gynecology and Obstetrics, XingTai People's Hospital Affiliated to Hebei Medical University, Xingtai 054000, China
| | - Minjie Zhang
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China; Department of Gynecology and Obstetrics, Baoding Hospital for Women and Children's Health Care, Baoding 071000, China
| | - Fenghua Zhang
- Department of General Surgery, Hebei General Hospital, Shijiazhuang 050000, China
| | - Hongfang Yang
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Liu Yang
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Li Jia
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Kaiyun Qin
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Ling Jia
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Xiaomeng Dou
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Lili Cheng
- Department of Gynecology and Obstetrics, Zhaoxian County Hospital of Traditional Chinese Medicine, Shijiazhuang, 051530, China
| | - Meixiang Sang
- Research Center, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Chao Zhang
- Research Center, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Baoen Shan
- Department of Gynecology and Obstetrics, Zhaoxian County Hospital of Traditional Chinese Medicine, Shijiazhuang, 051530, China
| | - Zhengmao Zhang
- Department of Gynecology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China.
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29
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Amable L. Cisplatin resistance and opportunities for precision medicine. Pharmacol Res 2016; 106:27-36. [PMID: 26804248 DOI: 10.1016/j.phrs.2016.01.001] [Citation(s) in RCA: 390] [Impact Index Per Article: 48.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Accepted: 01/01/2016] [Indexed: 01/11/2023]
Abstract
Cisplatin is one of the most commonly used chemotherapy drugs, treating a wide range of cancer types. Unfortunately, many cancers initially respond to platinum treatment but when the tumor returns, drug resistance frequently occurs. Resistance to cisplatin is attributed to three molecular mechanisms: increased DNA repair, altered cellular accumulation, and increased drug inactivation. The use of precision medicine to make informed decisions on a patient's cisplatin resistance status and predicting the tumor response would allow the clinician to tailor the chemotherapy program based on the biology of the disease. In this review, key biomarkers of each molecular mechanism will be discussed along with the current clinical research. Additionally, known polymorphisms for each biomarker will be discussed in relation to their influence on cisplatin resistance.
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Affiliation(s)
- Lauren Amable
- National Institute on Minority Health and Health Disparities, National Institutes of Health, 9000 Rockville Pike, Bethesda, MD 20892, United States.
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30
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Lv L, An X, Li H, Ma L. Effect of miR-155 knockdown on the reversal of doxorubicin resistance in human lung cancer A549/dox cells. Oncol Lett 2015; 11:1161-1166. [PMID: 26893712 DOI: 10.3892/ol.2015.3995] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2014] [Accepted: 08/17/2015] [Indexed: 12/26/2022] Open
Abstract
Doxorubicin has been widely used in the treatment of cancer. However, acquired doxorubicin resistance severely hinders the application of the drug. In the present study, doxorubicin resistance was investigated in lung carcinoma. microRNA-155 (miR-155) was found to be upregulated in the doxorubicin-resistant A549/dox cell line. Suppression of miR-155 in this cell line considerably reversed doxorubicin resistance, and doxorubicin-induced apoptosis and cell cycle arrest were recovered. Furthermore, reverse transcription-polymerase chain reaction and western blot analysis revealed that miR-155 suppression downregulated the expression of multidrug resistance protein 1, multidrug resistance-associated protein 1, breast cancer resistance protein, glutathione S-transferase-π, Survivin and B-cell lymphoma 2, and upregulated the expression of caspase-3 and caspase-8. In addition, it was found that miR-155 suppression inhibited the activation of AKT and extracellular signal-regulated kinase. The transcriptional activity of nuclear factor-κB and activator protein-1 was also downregulated. In summary, the present results indicate that miR-155 may participate in doxorubicin resistance in lung carcinoma. The current study provides a novel target for lung carcinoma treatment.
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Affiliation(s)
- Lixia Lv
- Department of Clinical Laboratory, Tianjin Huanhu Hospital, Tianjin 300060, P.R. China
| | - Xiumei An
- Biotechnological Immunology Laboratory, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
| | - Hongyan Li
- Department of Clinical Laboratory, Tianjin Huanhu Hospital, Tianjin 300060, P.R. China
| | - Lanxiu Ma
- Department of Clinical Laboratory, Tianjin Huanhu Hospital, Tianjin 300060, P.R. China
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31
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Metallothionein 3 expression in normal skin and malignant skin lesions. Pathol Oncol Res 2015; 21:187-93. [PMID: 25015776 PMCID: PMC4287679 DOI: 10.1007/s12253-014-9805-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 05/28/2014] [Indexed: 11/13/2022]
Abstract
Metallothionein-3 (MT-3) has been shown to be expressed in several malignancies and to have an impact on patients’ survival in breast and urinary bladder cancer cases. However, its expression has not been determined in normal skin or in its malignant lesions. MT-3 expression was studied using immunohistochemistry in 17 cases of normal skin, 18 of actinic keratosis (AK), 39 of squamous cell carcinoma (SCC), and 23 of basal cell carcinoma (BCC). Low MT-3 expression was observed in normal skin epidermis with faint or no expression in the epidermis basal layer. Significantly higher MT-3 expression was noted in AK (P = 0.007) and SCC (P < 0.0001), as compared with normal skin epidermis. BCC cases were characterized by the lowest MT-3 expression of all the examined groups, which was significantly lower in comparison to normal skin epidermis, AK, and SCC (P = 0.009; P < 0.0001 and P < 0.0001, respectively). In conclusion, MT-3 may be involved in the development of SCC.
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Zhao W, Liu S, Dou Q, Li C, DU J, Ren W. The role and mechanism of WEE1 on the cisplatin resistance reversal of the HepG2/DDP human hepatic cancer cell line. Oncol Lett 2015; 10:3081-3086. [PMID: 26722293 DOI: 10.3892/ol.2015.3647] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2014] [Accepted: 05/20/2015] [Indexed: 12/12/2022] Open
Abstract
Drug resistance to cisplatin with continuous drug treatment is one of the most common causes of chemotherapy failure in hepatic carcinoma. Accumulating evidence suggests that WEE1 G2 checkpoint kinase (WEE1) is involved in cisplatin resistance, which has been demonstrated to correlate with cancer initiation and progression. However, the role and molecular mechanism of WEE1 in the drug resistance of hepatic cancer remains unclear. In the present study, using the WEE-knockdown hepatic cancer cell line HepG2/DDP, the role of WEE1 and its molecular mechanism were investigated. It was demonstrated that silencing WEE1 expression resulted in an increased cisplatin sensitivity of HepG2/DDP, in addition to an increased rate of apoptosis and intracellular concentration of rhodamine 123. The expression levels of P-gp, MDR1, MRP1, LRP, BCL-2, survivin and GST in WEE1-silenced HepG2/DDP cells were significantly reduced, and phosphorylation levels of MEK and ERK were significantly downregulated. The results demonstrated that WEE1 negatively regulated the multidrug resistance potential of human hepatic cancer cells by modulating the expression of relevant drug resistance genes and the activity of the MEK/ERK pathway. Therefore, WEE1 may be a monitoring bio-marker for drug resistance, and a therapeutic target in hepatic cancer.
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Affiliation(s)
- Weifeng Zhao
- Department of Infections, The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Shuyuan Liu
- Department of Infections, The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Qian Dou
- Department of Infections, The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Changan Li
- Department of Infections, The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Jingpei DU
- Department of Infections, The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Weihua Ren
- Central Laboratory, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, Henan 471009, P.R. China
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Sawers L, Ferguson MJ, Ihrig BR, Young HC, Chakravarty P, Wolf CR, Smith G. Glutathione S-transferase P1 (GSTP1) directly influences platinum drug chemosensitivity in ovarian tumour cell lines. Br J Cancer 2014; 111:1150-8. [PMID: 25010864 PMCID: PMC4453841 DOI: 10.1038/bjc.2014.386] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 06/11/2014] [Accepted: 06/18/2014] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Chemotherapy response in ovarian cancer patients is frequently compromised by drug resistance, possibly due to altered drug metabolism. Platinum drugs are metabolised by glutathione S-transferase P1 (GSTP1), which is abundantly, but variably expressed in ovarian tumours. We have created novel ovarian tumour cell line models to investigate the extent to which differential GSTP1 expression influences chemosensitivity. METHODS Glutathione S-transferase P1 was stably deleted in A2780 and expression significantly reduced in cisplatin-resistant A2780DPP cells using Mission shRNA constructs, and MTT assays used to compare chemosensitivity to chemotherapy drugs used to treat ovarian cancer. Differentially expressed genes in GSTP1 knockdown cells were identified by Illumina HT-12 expression arrays and qRT-PCR analysis, and altered pathways predicted by MetaCore (GeneGo) analysis. Cell cycle changes were assessed by FACS analysis of PI-labelled cells and invasion and migration compared in quantitative Boyden chamber-based assays. RESULTS Glutathione S-transferase P1 knockdown selectively influenced cisplatin and carboplatin chemosensitivity (2.3- and 4.83-fold change in IC50, respectively). Cell cycle progression was unaffected, but cell invasion and migration was significantly reduced. We identified several novel GSTP1 target genes and candidate platinum chemotherapy response biomarkers. CONCLUSIONS Glutathione S-transferase P1 has an important role in cisplatin and carboplatin metabolism in ovarian cancer cells. Inter-tumour differences in GSTP1 expression may therefore influence response to platinum-based chemotherapy in ovarian cancer patients.
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Affiliation(s)
- L Sawers
- Division of Cancer Research, Medical Research Institute, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - M J Ferguson
- Dundee Cancer Centre, NHS Tayside, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - B R Ihrig
- Division of Cancer Research, Medical Research Institute, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - H C Young
- Division of Cancer Research, Medical Research Institute, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - P Chakravarty
- Bioinformatics and Biostatistics Service, Cancer Research UK, 44 Lincolns Inn Fields, London WC2A 3PX, London, UK
| | - C R Wolf
- Division of Cancer Research, Medical Research Institute, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
- Cancer Research UK Molecular Pharmacology Unit, Division of Cancer Research, Medical Research Institute, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - G Smith
- Division of Cancer Research, Medical Research Institute, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
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Grendys EC, Fiorica JV, Orr JW, Holloway R, Wang D, Tian C, Chan JK, Herzog TJ. Overview of a chemoresponse assay in ovarian cancer. Clin Transl Oncol 2014; 16:761-9. [PMID: 24986099 PMCID: PMC4139589 DOI: 10.1007/s12094-014-1192-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Accepted: 05/31/2014] [Indexed: 12/31/2022]
Abstract
The objective of this review is to summarize recent scientific and medical literature regarding chemoresponse assays or chemotherapy sensitivity and resistance assays (CSRAs), specifically as applied to epithelial ovarian cancer. A total of sixty-seven articles, identified through PubMed using the key words “in vitro chemoresponse assay,” “chemo sensitivity resistance assay,” “ATP,” “HDRA,” “EDR,” “MiCK,” and “ChemoFx,” were reviewed. Recent publications on marker validation, including relevant clinical trial designs, were also included. Recent CSRA research and clinical studies are outlined in this review. Published findings demonstrate benefits regarding patient outcome with respect to recent CSRAs. Specifically, analytical and clinical validations, as well as clinical utility and economic benefit, of the most common clinically used CSRA in the United States support its use to aid in making effective, individualized clinical treatment selections for patients with ovarian cancer.
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Affiliation(s)
- E C Grendys
- Florida Gynecologic Oncology and Regional Cancer Center, 8931 Colonial Center Drive, Fort Myers, FL, 33905, USA
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Chen J, Solomides C, Simpkins H. Sensitization of mesothelioma cells to platinum-based chemotherapy by GSTπ knockdown. Biochem Biophys Res Commun 2014; 447:77-82. [PMID: 24690178 DOI: 10.1016/j.bbrc.2014.03.100] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Accepted: 03/20/2014] [Indexed: 01/13/2023]
Abstract
It is predicted that the incidence of mesothelioma will increase and thus it is important to find new ways to treat this chemoresistant tumor. Glutathione-S-Transferase π (GSTπ) is found at significant levels in mesotheliomas and thus attenuating its intracellular levels may provide a means of sensitizing mesothelioma cells to chemotherapy. GSTπ knockdowns were therefore prepared with shRNA (less off-target effects) employing two cell lines (211H, H2452) that were typed by immunohistochemistry to be of mesothelial origin. The knockdowns exhibited a decrease in both total GST enzyme activity and GSTπ protein levels as well as an increase in both glutathione levels and sensitivity to cis and oxaliplatin. Cisplatin treatment of the knockdowns increased ROS levels significantly (as compared to the parental cells) and produced activation of the JNK/p38 pathways and activating transcription factor (ATF2). The degree of activation and increase in ROS appeared to correlate with the cell line's sensitivity to cisplatin. Treatment with N-Acetyl Cysteine decreased ROS production and JNK/p38 phosphorylation but had minimal affect on ATF2 suggesting a direct interaction of GTPπ with this transcription factor. Oxaliplatin treatment produced only minimal changes in ROS levels and activation of the JNK/p38 pathway. Recently, new methods of siRNA delivery (nanoparticles) have been shown to be effective in decreasing the levels of target proteins in humans including candidate genes involved in drug resistance - thus this approach may have promise in sensitizing cisplatin-resistant tumors to chemotherapy.
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Affiliation(s)
- Jianli Chen
- The Feinstein Institute for Medical Research, NS-LIJ Health System, 350 Community Drive, Manhasset, NY 11030, USA; Department of Pathology and Laboratory Medicine at Staten Island University Hospital, 475 Seaview Avenue, Staten Island, NY 10305, USA.
| | - Charalambos Solomides
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Jefferson Medical College, 132 S. 10th Street, 260E Main, Philadelphia, PA 19107, USA.
| | - Henry Simpkins
- The Feinstein Institute for Medical Research, NS-LIJ Health System, 350 Community Drive, Manhasset, NY 11030, USA; Department of Pathology and Laboratory Medicine at Staten Island University Hospital, 475 Seaview Avenue, Staten Island, NY 10305, USA.
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Gumulec J, Raudenska M, Adam V, Kizek R, Masarik M. Metallothionein - immunohistochemical cancer biomarker: a meta-analysis. PLoS One 2014; 9:e85346. [PMID: 24416395 PMCID: PMC3885711 DOI: 10.1371/journal.pone.0085346] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Accepted: 12/04/2013] [Indexed: 12/28/2022] Open
Abstract
Metallothionein (MT) has been extensively investigated as a molecular marker of various types of cancer. In spite of the fact that numerous reviews have been published in this field, no meta-analytical approach has been performed. Therefore, results of to-date immunohistochemistry-based studies were summarized using meta-analysis in this review. Web of science, PubMed, Embase and CENTRAL databases were searched (up to April 30, 2013) and the eligibility of individual studies and heterogeneity among the studies was assessed. Random and fixed effects model meta-analysis was employed depending on the heterogeneity, and publication bias was evaluated using funnel plots and Egger's tests. A total of 77 studies were included with 8,015 tissue samples (4,631 cases and 3,384 controls). A significantly positive association between MT staining and tumors (vs. healthy tissues) was observed in head and neck (odds ratio, OR 9.95; 95% CI 5.82-17.03) and ovarian tumors (OR 7.83; 1.09-56.29), and a negative association was ascertained in liver tumors (OR 0.10; 0.03-0.30). No significant associations were identified in breast, colorectal, prostate, thyroid, stomach, bladder, kidney, gallbladder, and uterine cancers and in melanoma. While no associations were identified between MT and tumor staging, a positive association was identified with the tumor grade (OR 1.58; 1.08-2.30). In particular, strong associations were observed in breast, ovarian, uterine and prostate cancers. Borderline significant association of metastatic status and MT staining were determined (OR 1.59; 1.03-2.46), particularly in esophageal cancer. Additionally, a significant association between the patient prognosis and MT staining was also demonstrated (hazard ratio 2.04; 1.47-2.81). However, a high degree of inconsistence was observed in several tumor types, including colorectal, kidney and prostate cancer. Despite the ambiguity in some tumor types, conclusive results are provided in the tumors of head and neck, ovary and liver and in relation to the tumor grade and patient survival.
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Affiliation(s)
- Jaromir Gumulec
- Department of Pathological Physiology, Masaryk University, Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Martina Raudenska
- Department of Pathological Physiology, Masaryk University, Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Vojtech Adam
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic
| | - Rene Kizek
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic
| | - Michal Masarik
- Department of Pathological Physiology, Masaryk University, Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
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Xu L, Cai J, Yang Q, Ding H, Wu L, Li T, Wang Z. Prognostic significance of several biomarkers in epithelial ovarian cancer: a meta-analysis of published studies. J Cancer Res Clin Oncol 2013; 139:1257-77. [DOI: 10.1007/s00432-013-1435-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2013] [Accepted: 04/04/2013] [Indexed: 12/30/2022]
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Rednam S, Scheurer ME, Adesina A, Lau CC, Okcu MF. Glutathione S-transferase P1 single nucleotide polymorphism predicts permanent ototoxicity in children with medulloblastoma. Pediatr Blood Cancer 2013; 60:593-8. [PMID: 23065688 PMCID: PMC3549321 DOI: 10.1002/pbc.24366] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Accepted: 09/17/2012] [Indexed: 11/08/2022]
Abstract
BACKGROUND Glutathione S-transferase (GST) enzymes are involved in detoxifying chemotherapy and clearing reactive oxygen species formed by radiation. We explored the relationship between the host GSTP1 105 A > G polymorphism (rs1695), tumor GSTpi protein expression, and clinical outcomes in pediatric medulloblastoma. We hypothesized that the GSTP1 105 G-allele and increased tumor GSTpi expression would be associated with lower progression-free survival and fewer adverse events. PROCEDURE The study included 106 medulloblastoma/primitive neuroectodermal tumor (PNET) patients seen at Texas Children's Cancer Center. Genotyping was performed using an Illumina HumanOmni1-Quad BeadChip and GSTpi expression was assessed using immunohistochemistry. We used the Kaplan-Meier method for survival analyses and logistic regression for toxicity comparisons. RESULTS Patients with a GSTP1 105 AG/GG genotype (vs. AA) or who had received high dose craniospinal radiation (≥34 Gy vs. <26 Gy) had a greater risk of requiring hearing aids than their counterparts (OR 4.0, 95% CI 1.2-13.6, and OR 3.1, 95% CI 1.1-8.8, respectively, n = 69). Additionally, there was a statistically significant interaction between these variables. Compared with the lowest risk group (GSTP1 105 AA-low dose radiation), patients with a GSTP1 105 AG/GG genotype who received high dose radiation were 8.4 times more likely to require hearing aids (95% CI 1.4-49.9, p-trend = 0.005, n = 69). When adjusted for age, cumulative cisplatin dose, and amifostine use, the association remained. CONCLUSIONS The GSTP1 105 G-allele is associated with permanent ototoxicity in pediatric medulloblastoma/PNET and strongly interacts with radiation dose. Patients with this allele should be considered for clinical trials employing radiation dose modifications and cytoprotectant strategies.
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Affiliation(s)
- Surya Rednam
- Section of Hematology-Oncology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA.
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Pula B, Domoslawski P, Podhorska-Okolow M, Dziegiel P. Role of metallothioneins in benign and malignant thyroid lesions. Thyroid Res 2012; 5:26. [PMID: 23273222 PMCID: PMC3544669 DOI: 10.1186/1756-6614-5-26] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Accepted: 12/18/2012] [Indexed: 01/21/2023] Open
Abstract
Recent findings in the past two decades have brought many insights into the biology of thyroid benign and malignant lesions, in particular the papillary and follicular thyroid cancers. Although, much progress have been made, thyroid cancers still pose diagnostic problems regarding differentiation of follicular lesions in relation to their aggressiveness and the treatment of advanced and undifferentiated thyroid cancers. Metallothioneins (MTs) were shown to induce cancer cells proliferation, mediate resistance to apoptosis, certain chemotherapeutics and radiotherapy. Therefore, MTs may be of utility in diagnosis and management of patients with benign and malignant lesions of the thyroid.
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Affiliation(s)
- Bartosz Pula
- Department of Histology and Embryology, Medical University in Wroclaw, Wroclaw, Poland.
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Ozer H, Yenicesu G, Arici S, Cetin M, Tuncer E, Cetin A. Immunohistochemistry with apoptotic-antiapoptotic proteins (p53, p21, bax, bcl-2), c-kit, telomerase, and metallothionein as a diagnostic aid in benign, borderline, and malignant serous and mucinous ovarian tumors. Diagn Pathol 2012; 7:124. [PMID: 22995373 PMCID: PMC3523067 DOI: 10.1186/1746-1596-7-124] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Accepted: 09/13/2012] [Indexed: 12/17/2022] Open
Abstract
Background In many tumors including ovarian cancer, cell proliferation and apoptosis are important in pathogenesis and there are many alterations in most of the genes related to the cell cycle. This study was designed to evaluate immunohistochemistry with apoptotic-antiapoptotic proteins (p53, p21, bax, and bcl-2), c-kit, telomerase, and metallothionein as a diagnostic aid in typing of benign, borderline, and malignant serous and mucinous ovarian tumors. Methods Total of 68 ovarian tumors, 25 benign [13 (19.1%) serous and12 (17.6%) mucinous], 16 borderline [9 (13.2%) serous and 7(10.3%) mucinous], and 27 malignant ovarian tumors [24 (35.3%) serous and 3 (4.4%) mucinous tumors] were included in the study. Immunohistochemical expression of p53, p21, bax, bcl–2, telomerase, c-kit, and metallothionein were evaluated. Results When all 68 cases were evaluated as benign, borderline, and malignant ovarian tumors without considering histopathological subtypes, the p53, p21, bax and metallothionein showed significantly higher staining scores in the borderline and malignant ones (p < 0.05). After evaluation of all 68 cases, the serous tumors showed significantly higher staining scores of p53, p21, c-kit, and metallothionein compared to the mucinous ones (p < 0.05). For differentiation of benign and borderline and malignant tumors combined, p53 was not used because all benign tumors has no staining, and p21, bax, and metallothionein was determined the significant predictors for borderline and malignant tumors combined (p < 0.05). For differentiation of borderline and malignant tumors, only p53 was determined the significant predictor for malignant tumors (p < 0.05). Conclusions In conclusion, p53, p21, bax, c-kit, and metallothionein may be helpful for the typing of ovarian tumors as benign, borderline and malignant or serous and mucinous. p53, p21, bax, c-kit, and metallothionein may have different roles in the pathogenesis of ovarian tumor types. p53 and metallothionein may be helpful in the typing of borderline and malignant ovarian tumors. The immunohistochemical staining with bcl-2 and telomerase may not provide meaningful contribution for the typing of ovarian tumors. Virtual slide The virtual slides for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/2013030833768498
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Affiliation(s)
- Hatice Ozer
- Department of Pathology, Cumhuriyet University, Faculty of Medicine, Sivas, 58140, Turkey.
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Hetland TE, Nymoen DA, Emilsen E, Kærn J, Tropé CG, Flørenes VA, Davidson B. MGST1 expression in serous ovarian carcinoma differs at various anatomic sites, but is unrelated to chemoresistance or survival. Gynecol Oncol 2012; 126:460-5. [PMID: 22652154 DOI: 10.1016/j.ygyno.2012.05.029] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2012] [Revised: 05/18/2012] [Accepted: 05/23/2012] [Indexed: 01/28/2023]
Abstract
OBJECTIVE To investigate the expression of MGST1 in primary tumors, solid metastases and metastatic effusions in advanced-stage serous ovarian carcinoma (OC) and analyze the association with clinicopathologic parameters, including chemotherapy resistance and survival. METHODS MGST1 mRNA expression was investigated in 178 tumors (88 effusions, 38 primary carcinomas, 52 solid metastases) from 144 patients using real-time quantitative PCR (qRT-PCR). Forty-two of the 88 effusions were additionally analyzed for MGST1 protein expression by Western blotting. RESULTS mRNA expression of MGST1 was higher in primary carcinomas and solid metastases compared to effusions (p=0.008 and p=0.012, respectively). In patient-matched samples, mRNA expression of MGST1 was higher in solid metastases compared to effusions (p=0.023), and a trend for higher MGST1 levels in solid metastases compared to primary tumors was observed (p=0.06). Biopsies from primary carcinomas obtained from patients with >200 ml ascites at diagnosis had higher mRNA expression of MGST1 compared to samples from patients with <200 ml ascites (p=0.037). MGST1 mRNA expression was not associated with age, histological grade, tumor stage, residual disease volume, response to chemotherapy, chemotherapy resistance or survival. Western blot analysis of patient-matched effusions showed high concordance between MGST1 protein and mRNA levels measured by qRT-PCR (p<0.001). CONCLUSIONS The present study documents frequent MGST1 mRNA and protein expression in OC. The data suggest increased activity of oxidative response pathways, reflected by higher mRNA expression, in solid OC tumors compared to metastatic effusions. Additionally, a tumor microenvironment consisting of ascites may induce antioxidant activity.
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Affiliation(s)
- Thea Eline Hetland
- Departement of Gynecologic Oncology, Oslo University Hospital, Norwegian Radium Hospital, N-0424 Oslo, Norway
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Murphy RF, Komlodi-Pasztor E, Robey R, Balis FM, Farrell NP, Fojo T. Retained platinum uptake and indifference to p53 status make novel transplatinum agents active in platinum-resistant cells compared to cisplatin and oxaliplatin. Cell Cycle 2012; 11:963-73. [PMID: 22333583 DOI: 10.4161/cc.11.5.19447] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Despite the clinical success of platinum-containing drugs in the treatment of solid tumors, acquired resistance remains a major obstacle. We previously identified a group of novel transplanaramine or transplatinum compounds based on distinct activity profiles in the NCI-60 panel. In the present study, parental KB-3.1 cells with wild-type p53 and its cisplatin- and oxaliplatin-resistant sublines harboring mutant p53 proteins were used to contrast several transplatinum compounds with cisplatin and oxaliplatin. The transplatinum compounds retained cytotoxic activity in the resistant cell lines. While intracellular accumulation and DNA platination of cisplatin and oxaliplatin was decreased in the resistant cells, the transplatinum compounds both accumulated intracellularly and platinated DNA at comparable levels in all cell lines. Cytoflow analysis confirmed that cisplatin and oxaliplatin alter the cell cycle distribution and result in apoptosis; however, at comparably toxic concentrations, the transplatinum compounds did not alter the cell cycle distribution. Analysis of the cytoplasmic fraction treated with acetone showed that cisplatin and oxaliplatin readily bound to macromolecules in the pellet, whereas a larger percentage of the transplatinum compounds remained in the supernatant. We concluded that, distinct from platinum compounds currently in use, transplatinum compounds accumulate intracellularly in resistant cells at levels comparable to those in drug-sensitive cells, do not affect the cell cycle and thus retain cytotoxicity independent of p53 status and likely have cytoplasmic targets that are important in their activity.
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Affiliation(s)
- Robert F Murphy
- Pediatric Oncology Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD, USA.
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Jungwirth U, Kowol CR, Keppler BK, Hartinger CG, Berger W, Heffeter P. Anticancer activity of metal complexes: involvement of redox processes. Antioxid Redox Signal 2011; 15:1085-127. [PMID: 21275772 PMCID: PMC3371750 DOI: 10.1089/ars.2010.3663] [Citation(s) in RCA: 371] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Cells require tight regulation of the intracellular redox balance and consequently of reactive oxygen species for proper redox signaling and maintenance of metal (e.g., of iron and copper) homeostasis. In several diseases, including cancer, this balance is disturbed. Therefore, anticancer drugs targeting the redox systems, for example, glutathione and thioredoxin, have entered focus of interest. Anticancer metal complexes (platinum, gold, arsenic, ruthenium, rhodium, copper, vanadium, cobalt, manganese, gadolinium, and molybdenum) have been shown to strongly interact with or even disturb cellular redox homeostasis. In this context, especially the hypothesis of "activation by reduction" as well as the "hard and soft acids and bases" theory with respect to coordination of metal ions to cellular ligands represent important concepts to understand the molecular modes of action of anticancer metal drugs. The aim of this review is to highlight specific interactions of metal-based anticancer drugs with the cellular redox homeostasis and to explain this behavior by considering chemical properties of the respective anticancer metal complexes currently either in (pre)clinical development or in daily clinical routine in oncology.
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Affiliation(s)
- Ute Jungwirth
- Department of Medicine I, Institute of Cancer Research, Medical University Vienna, Vienna, Austria
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Brozovic A, Ambriović-Ristov A, Osmak M. The relationship between cisplatin-induced reactive oxygen species, glutathione, and BCL-2 and resistance to cisplatin. Crit Rev Toxicol 2010; 40:347-59. [PMID: 20163198 DOI: 10.3109/10408441003601836] [Citation(s) in RCA: 172] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Cisplatin (cDDP) is an anticancer agent that is widely used in the treatment of many solid tumors. A major obstacle to successful cDDP-based chemotherapy, however, is the intrinsic and acquired resistance of tumor cells to this drug. Greater insight into the molecular mechanisms underlying the modulation of cellular responses to cDDP will aid in the development and optimization of new therapeutic strategies. Apart from induction of DNA damage, recent data have suggested that cDDP also induces the formation of reactive oxygen species that can trigger cell death. Cell death occurs as the result of several simultaneously activated signaling pathways. The specific pathway responsible for cell death depends on the cell type and the treatment conditions. This review focuses on the relationship between glutathione and BCL-2 and their protective role in cDDP-induced reactive oxygen species formation and cDDP resistance.
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Affiliation(s)
- Anamaria Brozovic
- Laboratory for Genotoxic Agents, Division of Molecular Biology, Rudjer Boskovic Institute, Zagreb, Croatia.
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Wu W, Wang HD, Guo W, Yang K, Zhao YP, Jiang YG, He P. Up-regulation of Fas reverses cisplatin resistance of human small cell lung cancer cells. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2010; 29:49. [PMID: 20470393 PMCID: PMC2877011 DOI: 10.1186/1756-9966-29-49] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2010] [Accepted: 05/14/2010] [Indexed: 11/22/2022]
Abstract
Background/Aim Fas/FasL system is a major regulator of apoptosis. The mechanisms by which Fas mediates cisplatin resistance remain unclear. The aim of this study is to explore the effect of Fas over-expression on cisplatin resistance of small cell lung cancer cells and its possible mechanisms. Materials and methods Fas was over-expressed in H446/CDDP cells by infection with the adenoviruses containing Fas. Sensitivity of Fas-overexpressed H446/CDDP cells to cisplatin was evaluated using MTT assay. Expressions of Fas, GST-π and ERCC1 were detected by RT-PCR and Western blot analysis. Apoptosis rate was examined by FACS. Results Over-expression of Fas in H446/CDDP cells significantly decreased the expressions of GST-π and ERCC1 at mRNA and protein levels, and increased the cell apoptosis. Furthermore, up-regulation of Fas significantly decreased the tolerance of H446/CDDP cells to cisplatin. Conclusion Over-expression of Fas reverses drug resistance of H446/CDDP cells, possibly due to the increased cell sensitivity to apoptosis and the decreased expressions of GST-π and ERCC1.
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Affiliation(s)
- Wei Wu
- Department of Thoracic Surgery, Institute of Surgery Research, Daping Hospital, Third Military Medical University, Chongqing 400042, PR China
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Identification and characterization of a spontaneous ovarian carcinoma in Lewis rats. J Ovarian Res 2010; 3:9. [PMID: 20356397 PMCID: PMC2855564 DOI: 10.1186/1757-2215-3-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2009] [Accepted: 03/31/2010] [Indexed: 12/01/2022] Open
Abstract
Background Ovarian carcinoma is the fourth most common cause of death from cancer in women. Limited progress has been made toward improving the survival rate of patients with this disease in part because of the lack of a good animal model. We present here a model of spontaneous ovarian carcinoma arising in a normal Lewis rat. Methods A spontaneously occurring tumor of the left ovary was found in a normal Lewis rat during necropsy, which was sectioned for histological examination and placed into single cell suspension. Tumor cells were passaged in vivo by intraperitoneal injection into immunocompetent Lewis rats, and in vitro culture resulted in generation of a cell line. Tumor cells were examined by flow cytometry for expression of estrogen receptor α, progesterone receptor, androgen receptor, her-2/neu, epithelial cell adhesion molecule, and CA125. β-catenin expression and cellular localization was assessed by immunocytochemistry. RNA was harvested for gene expression profiling and studying the expression of cytokines. Results The tumor, designated FNAR, could be serially transplanted into Lewis rats and propagated as a cell line in vitro, maintaining the properties of the original tumor. The FNAR cells displayed striking morphologic similarities to human ovarian carcinoma, resembling the endometrioid carcinoma subtype of surface epithelial neoplasms. The cells expressed estrogen receptor α, progesterone receptor, androgen receptor, her-2/neu, epithelial cell adhesion molecule, CA125, and nuclear β-catenin. A gene expression profile showed upregulation of a number of genes that are also upregulated in human ovarian carcinoma. Conclusion This reliable model of ovarian carcinoma should be helpful in better understanding the biology of the disease as well as the development of novel treatment strategies.
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Krizkova S, Blahova P, Nakielna J, Fabrik I, Adam V, Eckschlager T, Beklova M, Svobodova Z, Horak V, Kizek R. Comparison of Metallothionein Detection by Using Brdicka Reaction and Enzyme-Linked Immunosorbent Assay Employing Chicken Yolk Antibodies. ELECTROANAL 2009. [DOI: 10.1002/elan.200900243] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Unger FT, Klasen HA, Tchartchian G, de Wilde RL, Witte I. DNA damage induced by cis- and carboplatin as indicator for in vitro sensitivity of ovarian carcinoma cells. BMC Cancer 2009; 9:359. [PMID: 19818145 PMCID: PMC2768745 DOI: 10.1186/1471-2407-9-359] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2008] [Accepted: 10/10/2009] [Indexed: 12/03/2022] Open
Abstract
Background The DNA damage by platinum cytostatics is thought to be the main cause of their cytotoxicity. Therefore the measurement of the DNA damage induced by cis- and carboplatin should reflect the sensitivity of cancer cells toward the platinum chemotherapeutics. Methods DNA damage induced by cis- and carboplatin in primary cells of ovarian carcinomas was determined by the alkaline comet assay. In parallel, the reduction of cell viability was measured by the fluorescein diacetate (FDA) hydrolysis assay. Results While in the comet assay the isolated cells showed a high degree of DNA damage after a 24 h treatment, cell viability revealed no cytotoxicity after that incubation time. The individual sensitivities to DNA damage of 12 tumour biopsies differed up to a factor of about 3. DNA damage after a one day treatment with cis- or carboplatin correlated well with the cytotoxic effects after a 7 day treatment (r = 0,942 for cisplatin r = 0.971 for carboplatin). In contrast to the platinum compounds the correlation of DNA damage and cytotoxicity induced by adriamycin was low (r = 0,692), or did not exist for gemcitabine. Conclusion The measurement of DNA damage induced by cis- and carboplatin is an accurate method to determine the in vitro chemosensitivity of ovarian cancer cells towards these cytostatics, because of its quickness, sensitivity, and low cell number needed.
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Affiliation(s)
- Florian T Unger
- Institute for Biology and Environmental Sciences, Faculty V, University of Oldenburg, Oldenburg, Germany.
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Ekhart C, Rodenhuis S, Smits PH, Beijnen JH, Huitema AD. An overview of the relations between polymorphisms in drug metabolising enzymes and drug transporters and survival after cancer drug treatment. Cancer Treat Rev 2009; 35:18-31. [DOI: 10.1016/j.ctrv.2008.07.003] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2008] [Revised: 07/09/2008] [Accepted: 07/22/2008] [Indexed: 11/16/2022]
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Mukherjee A, Martin SG. The thioredoxin system: a key target in tumour and endothelial cells. Br J Radiol 2008; 81 Spec No 1:S57-68. [PMID: 18819999 DOI: 10.1259/bjr/34180435] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Thioredoxin is a redox-sensitive molecule that has pleiotropic cellular effects, such as the control of proliferation, redox states and apoptosis, and is often upregulated in malignancy. The system controls the activation of a number of transcription factors through sulphydryl transfer and, through its activity on hypoxia inducible factor 1alpha, it is able to regulate vascular endothelial growth factor levels and hence angiogenesis. The thioredoxin protein has been shown to be upregulated in hypoxic regions of certain tumours, suggesting that inhibitors could potentially exhibit enhanced hypoxic toxicity and/or indirect anti-angiogenic effects. Evidence of this is becoming apparent in the literature. The current report reviews the thioredoxin system as an anticancer drug target and focuses upon two recent compounds, PMX464 and PX12, which reportedly inhibit this important pathway.
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Affiliation(s)
- A Mukherjee
- Department of Clinical Oncology, Nottingham University Hospitals, City Hospital Campus, Hucknall Road, Nottingham NG5 1PB, UK
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